Finding the Fourth Proportional to 42,209,760,381.04, 63,316,676,882.71 and 13,879,064,661.09

Step by Step Solution

1. Step 1: Write the proportion equation
   42,209,760,381.04 : 63,316,676,882.71 = 13,879,064,661.09 : x
2. Step 2: Convert to fraction form
   42,209,760,381.04/63,316,676,882.71 = 13,879,064,661.09/x
3. Step 3: Cross multiply
   42,209,760,381.04x = 63,316,676,882.71 × 13,879,064,661.09
4. Step 4: Simplify right side
   42,209,760,381.04x = 878,776,252,580,248,944,640
5. Step 5: Solve for x
   x = 878,776,252,580,248,944,640/42,209,760,381.04
6. Step 6: Final answer
   x = 20,819,266,554.64