Finding the Fourth Proportional to 131,366.10, 181,345.58 and 86,046.00

Step by Step Solution

1. Step 1: Write the proportion equation
   131,366.10 : 181,345.58 = 86,046.00 : x
2. Step 2: Convert to fraction form
   131,366.10/181,345.58 = 86,046.00/x
3. Step 3: Cross multiply
   131,366.10x = 181,345.58 × 86,046.00
4. Step 4: Simplify right side
   131,366.10x = 15,604,061,473.09
5. Step 5: Solve for x
   x = 15,604,061,473.09/131,366.10
6. Step 6: Final answer
   x = 118,783.01