Finding the Fourth Proportional to 148,498.43, 204,929.29 and 80,515.22

Step by Step Solution

1. Step 1: Write the proportion equation
   148,498.43 : 204,929.29 = 80,515.22 : x
2. Step 2: Convert to fraction form
   148,498.43/204,929.29 = 80,515.22/x
3. Step 3: Cross multiply
   148,498.43x = 204,929.29 × 80,515.22
4. Step 4: Simplify right side
   148,498.43x = 16,499,927,179.83
5. Step 5: Solve for x
   x = 16,499,927,179.83/148,498.43
6. Step 6: Final answer
   x = 111,111.80