Finding the Fourth Proportional to 74,925.24, 112,404.28 and 28,178.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,925.24 : 112,404.28 = 28,178.10 : x
2. Step 2: Convert to fraction form
   74,925.24/112,404.28 = 28,178.10/x
3. Step 3: Cross multiply
   74,925.24x = 112,404.28 × 28,178.10
4. Step 4: Simplify right side
   74,925.24x = 3,167,339,042.27
5. Step 5: Solve for x
   x = 3,167,339,042.27/74,925.24
6. Step 6: Final answer
   x = 42,273.33