Finding the Fourth Proportional to 143,454.51, 215,207.82 and 59,168.70

Step by Step Solution

1. Step 1: Write the proportion equation
   143,454.51 : 215,207.82 = 59,168.70 : x
2. Step 2: Convert to fraction form
   143,454.51/215,207.82 = 59,168.70/x
3. Step 3: Cross multiply
   143,454.51x = 215,207.82 × 59,168.70
4. Step 4: Simplify right side
   143,454.51x = 12,733,566,939.23
5. Step 5: Solve for x
   x = 12,733,566,939.23/143,454.51
6. Step 6: Final answer
   x = 88,763.80