Finding the Fourth Proportional to 112,110.15, 154,706.18 and 69,667.77

Step by Step Solution

1. Step 1: Write the proportion equation
   112,110.15 : 154,706.18 = 69,667.77 : x
2. Step 2: Convert to fraction form
   112,110.15/154,706.18 = 69,667.77/x
3. Step 3: Cross multiply
   112,110.15x = 154,706.18 × 69,667.77
4. Step 4: Simplify right side
   112,110.15x = 10,778,034,217.48
5. Step 5: Solve for x
   x = 10,778,034,217.48/112,110.15
6. Step 6: Final answer
   x = 96,137.90