Finding the Fourth Proportional to 143,364.56, 215,129.80 and 59,109.02

Step by Step Solution

1. Step 1: Write the proportion equation
   143,364.56 : 215,129.80 = 59,109.02 : x
2. Step 2: Convert to fraction form
   143,364.56/215,129.80 = 59,109.02/x
3. Step 3: Cross multiply
   143,364.56x = 215,129.80 × 59,109.02
4. Step 4: Simplify right side
   143,364.56x = 12,716,111,650.80
5. Step 5: Solve for x
   x = 12,716,111,650.80/143,364.56
6. Step 6: Final answer
   x = 88,697.73