Finding the Fourth Proportional to 85,165,191.72, 117,527,849.10 and 48,495,762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,165,191.72 : 117,527,849.10 = 48,495,762.72 : x
2. Step 2: Convert to fraction form
   85,165,191.72/117,527,849.10 = 48,495,762.72/x
3. Step 3: Cross multiply
   85,165,191.72x = 117,527,849.10 × 48,495,762.72
4. Step 4: Simplify right side
   85,165,191.72x = 5,699,602,682,945,565
5. Step 5: Solve for x
   x = 5,699,602,682,945,565/85,165,191.72
6. Step 6: Final answer
   x = 66,924,086.80