Finding the Fourth Proportional to 112,976.98, 155,901.51 and 64,584.14

Step by Step Solution

1. Step 1: Write the proportion equation
   112,976.98 : 155,901.51 = 64,584.14 : x
2. Step 2: Convert to fraction form
   112,976.98/155,901.51 = 64,584.14/x
3. Step 3: Cross multiply
   112,976.98x = 155,901.51 × 64,584.14
4. Step 4: Simplify right side
   112,976.98x = 10,068,764,168.54
5. Step 5: Solve for x
   x = 10,068,764,168.54/112,976.98
6. Step 6: Final answer
   x = 89,122.27