Finding the Fourth Proportional to 143,152.11, 197,510.00 and 89,491.77

Step by Step Solution

1. Step 1: Write the proportion equation
   143,152.11 : 197,510.00 = 89,491.77 : x
2. Step 2: Convert to fraction form
   143,152.11/197,510.00 = 89,491.77/x
3. Step 3: Cross multiply
   143,152.11x = 197,510.00 × 89,491.77
4. Step 4: Simplify right side
   143,152.11x = 17,675,519,045.24
5. Step 5: Solve for x
   x = 17,675,519,045.24/143,152.11
6. Step 6: Final answer
   x = 123,473.69