Finding the Fourth Proportional to 148,575.30, 205,032.69 and 80,592.10

Step by Step Solution

1. Step 1: Write the proportion equation
   148,575.30 : 205,032.69 = 80,592.10 : x
2. Step 2: Convert to fraction form
   148,575.30/205,032.69 = 80,592.10/x
3. Step 3: Cross multiply
   148,575.30x = 205,032.69 × 80,592.10
4. Step 4: Simplify right side
   148,575.30x = 16,524,015,055.75
5. Step 5: Solve for x
   x = 16,524,015,055.75/148,575.30
6. Step 6: Final answer
   x = 111,216.43