Finding the Fourth Proportional to 144,557.53, 216,711.59 and 69,574.52

Step by Step Solution

1. Step 1: Write the proportion equation
   144,557.53 : 216,711.59 = 69,574.52 : x
2. Step 2: Convert to fraction form
   144,557.53/216,711.59 = 69,574.52/x
3. Step 3: Cross multiply
   144,557.53x = 216,711.59 × 69,574.52
4. Step 4: Simplify right side
   144,557.53x = 15,077,605,046.59
5. Step 5: Solve for x
   x = 15,077,605,046.59/144,557.53
6. Step 6: Final answer
   x = 104,301.76