Finding the Fourth Proportional to 460,041.27, 690,089.47 and 144,498.17

Step by Step Solution

1. Step 1: Write the proportion equation
   460,041.27 : 690,089.47 = 144,498.17 : x
2. Step 2: Convert to fraction form
   460,041.27/690,089.47 = 144,498.17/x
3. Step 3: Cross multiply
   460,041.27x = 690,089.47 × 144,498.17
4. Step 4: Simplify right side
   460,041.27x = 99,716,665,551.27
5. Step 5: Solve for x
   x = 99,716,665,551.27/460,041.27
6. Step 6: Final answer
   x = 216,755.91