Finding the Fourth Proportional to 112,659.88, 155,505.18 and 64,944.94

Step by Step Solution

1. Step 1: Write the proportion equation
   112,659.88 : 155,505.18 = 64,944.94 : x
2. Step 2: Convert to fraction form
   112,659.88/155,505.18 = 64,944.94/x
3. Step 3: Cross multiply
   112,659.88x = 155,505.18 × 64,944.94
4. Step 4: Simplify right side
   112,659.88x = 10,099,274,584.79
5. Step 5: Solve for x
   x = 10,099,274,584.79/112,659.88
6. Step 6: Final answer
   x = 89,643.93