Finding the Fourth Proportional to 85,613.86, 118,156.02 and 49,316.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,613.86 : 118,156.02 = 49,316.56 : x
2. Step 2: Convert to fraction form
   85,613.86/118,156.02 = 49,316.56/x
3. Step 3: Cross multiply
   85,613.86x = 118,156.02 × 49,316.56
4. Step 4: Simplify right side
   85,613.86x = 5,827,048,449.69
5. Step 5: Solve for x
   x = 5,827,048,449.69/85,613.86
6. Step 6: Final answer
   x = 68,061.98