Finding the Fourth Proportional to 148,810.01, 205,359.32 and 80,828.31

Step by Step Solution

1. Step 1: Write the proportion equation
   148,810.01 : 205,359.32 = 80,828.31 : x
2. Step 2: Convert to fraction form
   148,810.01/205,359.32 = 80,828.31/x
3. Step 3: Cross multiply
   148,810.01x = 205,359.32 × 80,828.31
4. Step 4: Simplify right side
   148,810.01x = 16,598,847,902.07
5. Step 5: Solve for x
   x = 16,598,847,902.07/148,810.01
6. Step 6: Final answer
   x = 111,543.89