Finding the Fourth Proportional to 94,602.56, 141,934.24 and 28,043.20

Step by Step Solution

1. Step 1: Write the proportion equation
   94,602.56 : 141,934.24 = 28,043.20 : x
2. Step 2: Convert to fraction form
   94,602.56/141,934.24 = 28,043.20/x
3. Step 3: Cross multiply
   94,602.56x = 141,934.24 × 28,043.20
4. Step 4: Simplify right side
   94,602.56x = 3,980,290,279.17
5. Step 5: Solve for x
   x = 3,980,290,279.17/94,602.56
6. Step 6: Final answer
   x = 42,073.81