Finding the Fourth Proportional to 116,789, 175,294.26 and 72,281.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,789 : 175,294.26 = 72,281.12 : x
2. Step 2: Convert to fraction form
   116,789/175,294.26 = 72,281.12/x
3. Step 3: Cross multiply
   116,789x = 175,294.26 × 72,281.12
4. Step 4: Simplify right side
   116,789x = 12,670,465,442.37
5. Step 5: Solve for x
   x = 12,670,465,442.37/116,789
6. Step 6: Final answer
   x = 108,490.23