Finding the Fourth Proportional to 143,555.35, 215,174.46 and 59,269.05

Step by Step Solution

1. Step 1: Write the proportion equation
   143,555.35 : 215,174.46 = 59,269.05 : x
2. Step 2: Convert to fraction form
   143,555.35/215,174.46 = 59,269.05/x
3. Step 3: Cross multiply
   143,555.35x = 215,174.46 × 59,269.05
4. Step 4: Simplify right side
   143,555.35x = 12,753,185,828.46
5. Step 5: Solve for x
   x = 12,753,185,828.46/143,555.35
6. Step 6: Final answer
   x = 88,838.11