Finding the Fourth Proportional to 143,259.76, 214,932.57 and 57,826.63

Step by Step Solution

1. Step 1: Write the proportion equation
   143,259.76 : 214,932.57 = 57,826.63 : x
2. Step 2: Convert to fraction form
   143,259.76/214,932.57 = 57,826.63/x
3. Step 3: Cross multiply
   143,259.76x = 214,932.57 × 57,826.63
4. Step 4: Simplify right side
   143,259.76x = 12,428,826,200.34
5. Step 5: Solve for x
   x = 12,428,826,200.34/143,259.76
6. Step 6: Final answer
   x = 86,757.27