Finding the Fourth Proportional to 94,689.32, 142,009.52 and 28,114.38

Step by Step Solution

1. Step 1: Write the proportion equation
   94,689.32 : 142,009.52 = 28,114.38 : x
2. Step 2: Convert to fraction form
   94,689.32/142,009.52 = 28,114.38/x
3. Step 3: Cross multiply
   94,689.32x = 142,009.52 × 28,114.38
4. Step 4: Simplify right side
   94,689.32x = 3,992,509,468.33
5. Step 5: Solve for x
   x = 3,992,509,468.33/94,689.32
6. Step 6: Final answer
   x = 42,164.31