Finding the Fourth Proportional to 77,594.42, 116,490.15 and 65,981.45

Step by Step Solution

1. Step 1: Write the proportion equation
   77,594.42 : 116,490.15 = 65,981.45 : x
2. Step 2: Convert to fraction form
   77,594.42/116,490.15 = 65,981.45/x
3. Step 3: Cross multiply
   77,594.42x = 116,490.15 × 65,981.45
4. Step 4: Simplify right side
   77,594.42x = 7,686,189,298.94
5. Step 5: Solve for x
   x = 7,686,189,298.94/77,594.42
6. Step 6: Final answer
   x = 99,055.95