Finding the Fourth Proportional to 9,002,612.09, 12,423,603.75 and 4,872,642.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,002,612.09 : 12,423,603.75 = 4,872,642.50 : x
2. Step 2: Convert to fraction form
   9,002,612.09/12,423,603.75 = 4,872,642.50/x
3. Step 3: Cross multiply
   9,002,612.09x = 12,423,603.75 × 4,872,642.50
4. Step 4: Simplify right side
   9,002,612.09x = 60,535,779,635,409.38
5. Step 5: Solve for x
   x = 60,535,779,635,409.38/9,002,612.09
6. Step 6: Final answer
   x = 6,724,246.14