Finding the Fourth Proportional to 59,961.24, 89,968.39 and 31,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,961.24 : 89,968.39 = 31,491.50 : x
2. Step 2: Convert to fraction form
   59,961.24/89,968.39 = 31,491.50/x
3. Step 3: Cross multiply
   59,961.24x = 89,968.39 × 31,491.50
4. Step 4: Simplify right side
   59,961.24x = 2,833,239,025.11
5. Step 5: Solve for x
   x = 2,833,239,025.11/59,961.24
6. Step 6: Final answer
   x = 47,251.17