Finding the Fourth Proportional to 99,114.42, 136,891.42 and 65,274.18

Step by Step Solution

1. Step 1: Write the proportion equation
   99,114.42 : 136,891.42 = 65,274.18 : x
2. Step 2: Convert to fraction form
   99,114.42/136,891.42 = 65,274.18/x
3. Step 3: Cross multiply
   99,114.42x = 136,891.42 × 65,274.18
4. Step 4: Simplify right side
   99,114.42x = 8,935,475,189.54
5. Step 5: Solve for x
   x = 8,935,475,189.54/99,114.42
6. Step 6: Final answer
   x = 90,153.13