Finding the Fourth Proportional to 144,457.59, 216,710.61 and 49,683.96

Step by Step Solution

1. Step 1: Write the proportion equation
   144,457.59 : 216,710.61 = 49,683.96 : x
2. Step 2: Convert to fraction form
   144,457.59/216,710.61 = 49,683.96/x
3. Step 3: Cross multiply
   144,457.59x = 216,710.61 × 49,683.96
4. Step 4: Simplify right side
   144,457.59x = 10,767,041,278.82
5. Step 5: Solve for x
   x = 10,767,041,278.82/144,457.59
6. Step 6: Final answer
   x = 74,534.27