Finding the Fourth Proportional to 88,619.40, 132,960.86 and 37,997.20

Step by Step Solution

1. Step 1: Write the proportion equation
   88,619.40 : 132,960.86 = 37,997.20 : x
2. Step 2: Convert to fraction form
   88,619.40/132,960.86 = 37,997.20/x
3. Step 3: Cross multiply
   88,619.40x = 132,960.86 × 37,997.20
4. Step 4: Simplify right side
   88,619.40x = 5,052,140,508.30
5. Step 5: Solve for x
   x = 5,052,140,508.30/88,619.40
6. Step 6: Final answer
   x = 57,009.42