Finding the Fourth Proportional to 60,715.89, 91,059.14 and 31,118.49

Step by Step Solution

1. Step 1: Write the proportion equation
   60,715.89 : 91,059.14 = 31,118.49 : x
2. Step 2: Convert to fraction form
   60,715.89/91,059.14 = 31,118.49/x
3. Step 3: Cross multiply
   60,715.89x = 91,059.14 × 31,118.49
4. Step 4: Simplify right side
   60,715.89x = 2,833,622,781.91
5. Step 5: Solve for x
   x = 2,833,622,781.91/60,715.89
6. Step 6: Final answer
   x = 46,670.20