Finding the Fourth Proportional to 94,940.52, 142,409.52 and 28,381.20

Step by Step Solution

1. Step 1: Write the proportion equation
   94,940.52 : 142,409.52 = 28,381.20 : x
2. Step 2: Convert to fraction form
   94,940.52/142,409.52 = 28,381.20/x
3. Step 3: Cross multiply
   94,940.52x = 142,409.52 × 28,381.20
4. Step 4: Simplify right side
   94,940.52x = 4,041,753,069.02
5. Step 5: Solve for x
   x = 4,041,753,069.02/94,940.52
6. Step 6: Final answer
   x = 42,571.42