Finding the Fourth Proportional to 146,070.57, 219,216.69 and 98,573.25

Step by Step Solution

1. Step 1: Write the proportion equation
   146,070.57 : 219,216.69 = 98,573.25 : x
2. Step 2: Convert to fraction form
   146,070.57/219,216.69 = 98,573.25/x
3. Step 3: Cross multiply
   146,070.57x = 219,216.69 × 98,573.25
4. Step 4: Simplify right side
   146,070.57x = 21,608,901,587.54
5. Step 5: Solve for x
   x = 21,608,901,587.54/146,070.57
6. Step 6: Final answer
   x = 147,934.67