Finding the Fourth Proportional to 144,498.06, 216,747.41 and 77,969.52

Step by Step Solution

1. Step 1: Write the proportion equation
   144,498.06 : 216,747.41 = 77,969.52 : x
2. Step 2: Convert to fraction form
   144,498.06/216,747.41 = 77,969.52/x
3. Step 3: Cross multiply
   144,498.06x = 216,747.41 × 77,969.52
4. Step 4: Simplify right side
   144,498.06x = 16,899,691,129.10
5. Step 5: Solve for x
   x = 16,899,691,129.10/144,498.06
6. Step 6: Final answer
   x = 116,954.45