Finding the Fourth Proportional to 143,105.56, 214,756.98 and 58,871.32

Step by Step Solution

1. Step 1: Write the proportion equation
   143,105.56 : 214,756.98 = 58,871.32 : x
2. Step 2: Convert to fraction form
   143,105.56/214,756.98 = 58,871.32/x
3. Step 3: Cross multiply
   143,105.56x = 214,756.98 × 58,871.32
4. Step 4: Simplify right side
   143,105.56x = 12,643,026,891.81
5. Step 5: Solve for x
   x = 12,643,026,891.81/143,105.56
6. Step 6: Final answer
   x = 88,347.56