Finding the Fourth Proportional to 131,783.30, 181,860.68 and 71,354.00

Step by Step Solution

1. Step 1: Write the proportion equation
   131,783.30 : 181,860.68 = 71,354.00 : x
2. Step 2: Convert to fraction form
   131,783.30/181,860.68 = 71,354.00/x
3. Step 3: Cross multiply
   131,783.30x = 181,860.68 × 71,354.00
4. Step 4: Simplify right side
   131,783.30x = 12,976,485,694.65
5. Step 5: Solve for x
   x = 12,976,485,694.65/131,783.30
6. Step 6: Final answer
   x = 98,468.37