Finding the Fourth Proportional to 112,146.95, 154,775.12 and 69,117.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,146.95 : 154,775.12 = 69,117.72 : x
2. Step 2: Convert to fraction form
   112,146.95/154,775.12 = 69,117.72/x
3. Step 3: Cross multiply
   112,146.95x = 154,775.12 × 69,117.72
4. Step 4: Simplify right side
   112,146.95x = 10,697,703,061.54
5. Step 5: Solve for x
   x = 10,697,703,061.54/112,146.95
6. Step 6: Final answer
   x = 95,390.05