Finding the Fourth Proportional to 117,012.06, 175,517.55 and 28,265.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,012.06 : 175,517.55 = 28,265.31 : x
2. Step 2: Convert to fraction form
   117,012.06/175,517.55 = 28,265.31/x
3. Step 3: Cross multiply
   117,012.06x = 175,517.55 × 28,265.31
4. Step 4: Simplify right side
   117,012.06x = 4,961,057,961.19
5. Step 5: Solve for x
   x = 4,961,057,961.19/117,012.06
6. Step 6: Final answer
   x = 42,397.83