Finding the Fourth Proportional to 143,377.63, 215,092.41 and 59,090.88

Step by Step Solution

1. Step 1: Write the proportion equation
   143,377.63 : 215,092.41 = 59,090.88 : x
2. Step 2: Convert to fraction form
   143,377.63/215,092.41 = 59,090.88/x
3. Step 3: Cross multiply
   143,377.63x = 215,092.41 × 59,090.88
4. Step 4: Simplify right side
   143,377.63x = 12,709,998,890.77
5. Step 5: Solve for x
   x = 12,709,998,890.77/143,377.63
6. Step 6: Final answer
   x = 88,647.02