Finding the Fourth Proportional to 112,404.56, 154,827.52 and 78,352.32

Step by Step Solution

1. Step 1: Write the proportion equation
   112,404.56 : 154,827.52 = 78,352.32 : x
2. Step 2: Convert to fraction form
   112,404.56/154,827.52 = 78,352.32/x
3. Step 3: Cross multiply
   112,404.56x = 154,827.52 × 78,352.32
4. Step 4: Simplify right side
   112,404.56x = 12,131,095,391.85
5. Step 5: Solve for x
   x = 12,131,095,391.85/112,404.56
6. Step 6: Final answer
   x = 107,923.52