Finding the Fourth Proportional to 215,432.42, 323,002.83 and 75,114.50

Step by Step Solution

1. Step 1: Write the proportion equation
   215,432.42 : 323,002.83 = 75,114.50 : x
2. Step 2: Convert to fraction form
   215,432.42/323,002.83 = 75,114.50/x
3. Step 3: Cross multiply
   215,432.42x = 323,002.83 × 75,114.50
4. Step 4: Simplify right side
   215,432.42x = 24,262,196,074.04
5. Step 5: Solve for x
   x = 24,262,196,074.04/215,432.42
6. Step 6: Final answer
   x = 112,620.91