Finding the Fourth Proportional to 42,049,491.40, 63,062,427.30 and 13,304,438.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,049,491.40 : 63,062,427.30 = 13,304,438.20 : x
2. Step 2: Convert to fraction form
   42,049,491.40/63,062,427.30 = 13,304,438.20/x
3. Step 3: Cross multiply
   42,049,491.40x = 63,062,427.30 × 13,304,438.20
4. Step 4: Simplify right side
   42,049,491.40x = 839,010,166,754,842.75
5. Step 5: Solve for x
   x = 839,010,166,754,842.75/42,049,491.40
6. Step 6: Final answer
   x = 19,952,920.69