Finding the Fourth Proportional to 74,894.56, 112,353.36 and 28,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,894.56 : 112,353.36 = 28,150.72 : x
2. Step 2: Convert to fraction form
   74,894.56/112,353.36 = 28,150.72/x
3. Step 3: Cross multiply
   74,894.56x = 112,353.36 × 28,150.72
4. Step 4: Simplify right side
   74,894.56x = 3,162,827,978.42
5. Step 5: Solve for x
   x = 3,162,827,978.42/74,894.56
6. Step 6: Final answer
   x = 42,230.41