Finding the Fourth Proportional to 117,294.31, 175,939.01 and 28,548.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,294.31 : 175,939.01 = 28,548.31 : x
2. Step 2: Convert to fraction form
   117,294.31/175,939.01 = 28,548.31/x
3. Step 3: Cross multiply
   117,294.31x = 175,939.01 × 28,548.31
4. Step 4: Simplify right side
   117,294.31x = 5,022,761,255.83
5. Step 5: Solve for x
   x = 5,022,761,255.83/117,294.31
6. Step 6: Final answer
   x = 42,821.87