Finding the Fourth Proportional to 112,340.56, 155,093.25 and 77,935

Step by Step Solution

1. Step 1: Write the proportion equation
   112,340.56 : 155,093.25 = 77,935 : x
2. Step 2: Convert to fraction form
   112,340.56/155,093.25 = 77,935/x
3. Step 3: Cross multiply
   112,340.56x = 155,093.25 × 77,935
4. Step 4: Simplify right side
   112,340.56x = 12,087,192,438.75
5. Step 5: Solve for x
   x = 12,087,192,438.75/112,340.56
6. Step 6: Final answer
   x = 107,594.20