Finding the Fourth Proportional to 146,943.72, 202,784.31 and 86,514.48

Step by Step Solution

1. Step 1: Write the proportion equation
   146,943.72 : 202,784.31 = 86,514.48 : x
2. Step 2: Convert to fraction form
   146,943.72/202,784.31 = 86,514.48/x
3. Step 3: Cross multiply
   146,943.72x = 202,784.31 × 86,514.48
4. Step 4: Simplify right side
   146,943.72x = 17,543,779,131.81
5. Step 5: Solve for x
   x = 17,543,779,131.81/146,943.72
6. Step 6: Final answer
   x = 119,391.15