Finding the Fourth Proportional to 114,732.51, 171,779.82 and 86,567.59

Step by Step Solution

1. Step 1: Write the proportion equation
   114,732.51 : 171,779.82 = 86,567.59 : x
2. Step 2: Convert to fraction form
   114,732.51/171,779.82 = 86,567.59/x
3. Step 3: Cross multiply
   114,732.51x = 171,779.82 × 86,567.59
4. Step 4: Simplify right side
   114,732.51x = 14,870,565,028.03
5. Step 5: Solve for x
   x = 14,870,565,028.03/114,732.51
6. Step 6: Final answer
   x = 129,610.74