Finding the Fourth Proportional to 60,717.39, 91,061.39 and 31,119.99

Step by Step Solution

1. Step 1: Write the proportion equation
   60,717.39 : 91,061.39 = 31,119.99 : x
2. Step 2: Convert to fraction form
   60,717.39/91,061.39 = 31,119.99/x
3. Step 3: Cross multiply
   60,717.39x = 91,061.39 × 31,119.99
4. Step 4: Simplify right side
   60,717.39x = 2,833,829,390.59
5. Step 5: Solve for x
   x = 2,833,829,390.59/60,717.39
6. Step 6: Final answer
   x = 46,672.45