Finding the Fourth Proportional to 88,106.21, 132,072.44 and 56,426.30

Step by Step Solution

1. Step 1: Write the proportion equation
   88,106.21 : 132,072.44 = 56,426.30 : x
2. Step 2: Convert to fraction form
   88,106.21/132,072.44 = 56,426.30/x
3. Step 3: Cross multiply
   88,106.21x = 132,072.44 × 56,426.30
4. Step 4: Simplify right side
   88,106.21x = 7,452,359,592.42
5. Step 5: Solve for x
   x = 7,452,359,592.42/88,106.21
6. Step 6: Final answer
   x = 84,583.82