Finding the Fourth Proportional to 144,003.83, 215,980.83 and 65,099.70

Step by Step Solution

1. Step 1: Write the proportion equation
   144,003.83 : 215,980.83 = 65,099.70 : x
2. Step 2: Convert to fraction form
   144,003.83/215,980.83 = 65,099.70/x
3. Step 3: Cross multiply
   144,003.83x = 215,980.83 × 65,099.70
4. Step 4: Simplify right side
   144,003.83x = 14,060,287,238.75
5. Step 5: Solve for x
   x = 14,060,287,238.75/144,003.83
6. Step 6: Final answer
   x = 97,638.29