Finding the Fourth Proportional to 143,325.78, 215,014.52 and 59,039.93

Step by Step Solution

1. Step 1: Write the proportion equation
   143,325.78 : 215,014.52 = 59,039.93 : x
2. Step 2: Convert to fraction form
   143,325.78/215,014.52 = 59,039.93/x
3. Step 3: Cross multiply
   143,325.78x = 215,014.52 × 59,039.93
4. Step 4: Simplify right side
   143,325.78x = 12,694,442,209.78
5. Step 5: Solve for x
   x = 12,694,442,209.78/143,325.78
6. Step 6: Final answer
   x = 88,570.54