Finding the Fourth Proportional to 143,560.05, 215,385.33 and 67,655.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,560.05 : 215,385.33 = 67,655.52 : x
2. Step 2: Convert to fraction form
   143,560.05/215,385.33 = 67,655.52/x
3. Step 3: Cross multiply
   143,560.05x = 215,385.33 × 67,655.52
4. Step 4: Simplify right side
   143,560.05x = 14,572,006,501.52
5. Step 5: Solve for x
   x = 14,572,006,501.52/143,560.05
6. Step 6: Final answer
   x = 101,504.61