Finding the Fourth Proportional to 119,699.02, 165,185.78 and 65,985.96

Step by Step Solution

1. Step 1: Write the proportion equation
   119,699.02 : 165,185.78 = 65,985.96 : x
2. Step 2: Convert to fraction form
   119,699.02/165,185.78 = 65,985.96/x
3. Step 3: Cross multiply
   119,699.02x = 165,185.78 × 65,985.96
4. Step 4: Simplify right side
   119,699.02x = 10,899,942,003.17
5. Step 5: Solve for x
   x = 10,899,942,003.17/119,699.02
6. Step 6: Final answer
   x = 91,061.25