Finding the Fourth Proportional to 145,112.94, 217,753.47 and 60,865.59

Step by Step Solution

1. Step 1: Write the proportion equation
   145,112.94 : 217,753.47 = 60,865.59 : x
2. Step 2: Convert to fraction form
   145,112.94/217,753.47 = 60,865.59/x
3. Step 3: Cross multiply
   145,112.94x = 217,753.47 × 60,865.59
4. Step 4: Simplify right side
   145,112.94x = 13,253,693,426.10
5. Step 5: Solve for x
   x = 13,253,693,426.10/145,112.94
6. Step 6: Final answer
   x = 91,333.64