Finding the Fourth Proportional to 42,553,549.83, 63,839,292.12 and 13,797,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,553,549.83 : 63,839,292.12 = 13,797,443.10 : x
2. Step 2: Convert to fraction form
   42,553,549.83/63,839,292.12 = 13,797,443.10/x
3. Step 3: Cross multiply
   42,553,549.83x = 63,839,292.12 × 13,797,443.10
4. Step 4: Simplify right side
   42,553,549.83x = 880,819,000,569,978.25
5. Step 5: Solve for x
   x = 880,819,000,569,978.25/42,553,549.83
6. Step 6: Final answer
   x = 20,699,072.21