Finding the Fourth Proportional to 42,049,501.40, 63,062,442.30 and 13,304,448.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,049,501.40 : 63,062,442.30 = 13,304,448.20 : x
2. Step 2: Convert to fraction form
   42,049,501.40/63,062,442.30 = 13,304,448.20/x
3. Step 3: Cross multiply
   42,049,501.40x = 63,062,442.30 × 13,304,448.20
4. Step 4: Simplify right side
   42,049,501.40x = 839,010,996,945,838.75
5. Step 5: Solve for x
   x = 839,010,996,945,838.75/42,049,501.40
6. Step 6: Final answer
   x = 19,952,935.68