Finding the Fourth Proportional to 144,465.86, 216,642.98 and 49,678.14

Step by Step Solution

1. Step 1: Write the proportion equation
   144,465.86 : 216,642.98 = 49,678.14 : x
2. Step 2: Convert to fraction form
   144,465.86/216,642.98 = 49,678.14/x
3. Step 3: Cross multiply
   144,465.86x = 216,642.98 × 49,678.14
4. Step 4: Simplify right side
   144,465.86x = 10,762,420,290.46
5. Step 5: Solve for x
   x = 10,762,420,290.46/144,465.86
6. Step 6: Final answer
   x = 74,498.02