Finding the Fourth Proportional to 8,259,142.58, 12,384,861.10 and 3,142,524.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,259,142.58 : 12,384,861.10 = 3,142,524.86 : x
2. Step 2: Convert to fraction form
   8,259,142.58/12,384,861.10 = 3,142,524.86/x
3. Step 3: Cross multiply
   8,259,142.58x = 12,384,861.10 × 3,142,524.86
4. Step 4: Simplify right side
   8,259,142.58x = 38,919,733,816,760.02
5. Step 5: Solve for x
   x = 38,919,733,816,760.02/8,259,142.58
6. Step 6: Final answer
   x = 4,712,321.34