Finding the Fourth Proportional to 12,737,435.72, 17,577,486.32 and 7,230,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737,435.72 : 17,577,486.32 = 7,230,762.50 : x
2. Step 2: Convert to fraction form
   12,737,435.72/17,577,486.32 = 7,230,762.50/x
3. Step 3: Cross multiply
   12,737,435.72x = 17,577,486.32 × 7,230,762.50
4. Step 4: Simplify right side
   12,737,435.72x = 127,098,628,802,877.77
5. Step 5: Solve for x
   x = 127,098,628,802,877.77/12,737,435.72
6. Step 6: Final answer
   x = 9,978,352.92