Finding the Fourth Proportional to 42,049,491.90, 63,062,428.05 and 13,304,438.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,049,491.90 : 63,062,428.05 = 13,304,438.70 : x
2. Step 2: Convert to fraction form
   42,049,491.90/63,062,428.05 = 13,304,438.70/x
3. Step 3: Cross multiply
   42,049,491.90x = 63,062,428.05 × 13,304,438.70
4. Step 4: Simplify right side
   42,049,491.90x = 839,010,208,264,385.50
5. Step 5: Solve for x
   x = 839,010,208,264,385.50/42,049,491.90
6. Step 6: Final answer
   x = 19,952,921.44