Finding the Fourth Proportional to 143,558.10, 215,178.59 and 59,271.80

Step by Step Solution

1. Step 1: Write the proportion equation
   143,558.10 : 215,178.59 = 59,271.80 : x
2. Step 2: Convert to fraction form
   143,558.10/215,178.59 = 59,271.80/x
3. Step 3: Cross multiply
   143,558.10x = 215,178.59 × 59,271.80
4. Step 4: Simplify right side
   143,558.10x = 12,754,020,978.51
5. Step 5: Solve for x
   x = 12,754,020,978.51/143,558.10
6. Step 6: Final answer
   x = 88,842.22