Finding the Fourth Proportional to 117,234.70, 175,851.59 and 28,488.47

Step by Step Solution

1. Step 1: Write the proportion equation
   117,234.70 : 175,851.59 = 28,488.47 : x
2. Step 2: Convert to fraction form
   117,234.70/175,851.59 = 28,488.47/x
3. Step 3: Cross multiply
   117,234.70x = 175,851.59 × 28,488.47
4. Step 4: Simplify right side
   117,234.70x = 5,009,741,884.71
5. Step 5: Solve for x
   x = 5,009,741,884.71/117,234.70
6. Step 6: Final answer
   x = 42,732.59