Finding the Fourth Proportional to 8,783,142.52, 12,120,734.82 and 4,915,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,783,142.52 : 12,120,734.82 = 4,915,663.42 : x
2. Step 2: Convert to fraction form
   8,783,142.52/12,120,734.82 = 4,915,663.42/x
3. Step 3: Cross multiply
   8,783,142.52x = 12,120,734.82 × 4,915,663.42
4. Step 4: Simplify right side
   8,783,142.52x = 59,581,452,778,194.28
5. Step 5: Solve for x
   x = 59,581,452,778,194.28/8,783,142.52
6. Step 6: Final answer
   x = 6,783,614.48