Finding the Fourth Proportional to 148,849.88, 205,411.98 and 80,866.30

Step by Step Solution

1. Step 1: Write the proportion equation
   148,849.88 : 205,411.98 = 80,866.30 : x
2. Step 2: Convert to fraction form
   148,849.88/205,411.98 = 80,866.30/x
3. Step 3: Cross multiply
   148,849.88x = 205,411.98 × 80,866.30
4. Step 4: Simplify right side
   148,849.88x = 16,610,906,798.27
5. Step 5: Solve for x
   x = 16,610,906,798.27/148,849.88
6. Step 6: Final answer
   x = 111,595.03