Finding the Fourth Proportional to 8,553,319.61, 12,828,429.50 and 3,435,542.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,553,319.61 : 12,828,429.50 = 3,435,542.78 : x
2. Step 2: Convert to fraction form
   8,553,319.61/12,828,429.50 = 3,435,542.78/x
3. Step 3: Cross multiply
   8,553,319.61x = 12,828,429.50 × 3,435,542.78
4. Step 4: Simplify right side
   8,553,319.61x = 44,072,618,266,144.15
5. Step 5: Solve for x
   x = 44,072,618,266,144.15/8,553,319.61
6. Step 6: Final answer
   x = 5,152,691.62