Finding the Fourth Proportional to 88,632.89, 132,637.28 and 55,368.62

Step by Step Solution

1. Step 1: Write the proportion equation
   88,632.89 : 132,637.28 = 55,368.62 : x
2. Step 2: Convert to fraction form
   88,632.89/132,637.28 = 55,368.62/x
3. Step 3: Cross multiply
   88,632.89x = 132,637.28 × 55,368.62
4. Step 4: Simplify right side
   88,632.89x = 7,343,942,214.12
5. Step 5: Solve for x
   x = 7,343,942,214.12/88,632.89
6. Step 6: Final answer
   x = 82,857.98