Finding the Fourth Proportional to 131,569.50, 181,570.23 and 71,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,569.50 : 181,570.23 = 71,953.50 : x
2. Step 2: Convert to fraction form
   131,569.50/181,570.23 = 71,953.50/x
3. Step 3: Cross multiply
   131,569.50x = 181,570.23 × 71,953.50
4. Step 4: Simplify right side
   131,569.50x = 13,064,613,544.31
5. Step 5: Solve for x
   x = 13,064,613,544.31/131,569.50
6. Step 6: Final answer
   x = 99,298.19