Finding the Fourth Proportional to 143,123.76, 197,635.95 and 89,500.14

Step by Step Solution

1. Step 1: Write the proportion equation
   143,123.76 : 197,635.95 = 89,500.14 : x
2. Step 2: Convert to fraction form
   143,123.76/197,635.95 = 89,500.14/x
3. Step 3: Cross multiply
   143,123.76x = 197,635.95 × 89,500.14
4. Step 4: Simplify right side
   143,123.76x = 17,688,445,194.03
5. Step 5: Solve for x
   x = 17,688,445,194.03/143,123.76
6. Step 6: Final answer
   x = 123,588.46