Finding the Fourth Proportional to 28,331,941.86, 42,493,158.50 and 7,863,740.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,331,941.86 : 42,493,158.50 = 7,863,740.82 : x
2. Step 2: Convert to fraction form
   28,331,941.86/42,493,158.50 = 7,863,740.82/x
3. Step 3: Cross multiply
   28,331,941.86x = 42,493,158.50 × 7,863,740.82
4. Step 4: Simplify right side
   28,331,941.86x = 334,155,185,027,861.25
5. Step 5: Solve for x
   x = 334,155,185,027,861.25/28,331,941.86
6. Step 6: Final answer
   x = 11,794,291.64