Finding the Fourth Proportional to 144,003.60, 216,120.93 and 65,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,003.60 : 216,120.93 = 65,124.72 : x
2. Step 2: Convert to fraction form
   144,003.60/216,120.93 = 65,124.72/x
3. Step 3: Cross multiply
   144,003.60x = 216,120.93 × 65,124.72
4. Step 4: Simplify right side
   144,003.60x = 14,074,815,052.39
5. Step 5: Solve for x
   x = 14,074,815,052.39/144,003.60
6. Step 6: Final answer
   x = 97,739.33