Finding the Fourth Proportional to 85,432.10, 128,123.55 and 32,107.59

Step by Step Solution

1. Step 1: Write the proportion equation
   85,432.10 : 128,123.55 = 32,107.59 : x
2. Step 2: Convert to fraction form
   85,432.10/128,123.55 = 32,107.59/x
3. Step 3: Cross multiply
   85,432.10x = 128,123.55 × 32,107.59
4. Step 4: Simplify right side
   85,432.10x = 4,113,738,412.74
5. Step 5: Solve for x
   x = 4,113,738,412.74/85,432.10
6. Step 6: Final answer
   x = 48,152.14