Finding the Fourth Proportional to 91,609,066.50, 126,420,774.21 and 52,451,443.86

Step by Step Solution

1. Step 1: Write the proportion equation
   91,609,066.50 : 126,420,774.21 = 52,451,443.86 : x
2. Step 2: Convert to fraction form
   91,609,066.50/126,420,774.21 = 52,451,443.86/x
3. Step 3: Cross multiply
   91,609,066.50x = 126,420,774.21 × 52,451,443.86
4. Step 4: Simplify right side
   91,609,066.50x = 6,630,952,141,213,550
5. Step 5: Solve for x
   x = 6,630,952,141,213,550/91,609,066.50
6. Step 6: Final answer
   x = 72,383,142.79