Finding the Fourth Proportional to 42,209,760,547.54, 63,316,677,132.91 and 13,879,064,827.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,209,760,547.54 : 63,316,677,132.91 = 13,879,064,827.59 : x
2. Step 2: Convert to fraction form
   42,209,760,547.54/63,316,677,132.91 = 13,879,064,827.59/x
3. Step 3: Cross multiply
   42,209,760,547.54x = 63,316,677,132.91 × 13,879,064,827.59
4. Step 4: Simplify right side
   42,209,760,547.54x = 878,776,266,595,017,818,112
5. Step 5: Solve for x
   x = 878,776,266,595,017,818,112/42,209,760,547.54
6. Step 6: Final answer
   x = 20,819,266,804.54