Finding the Fourth Proportional to 112,869, 155,775.06 and 69,862.28

Step by Step Solution

1. Step 1: Write the proportion equation
   112,869 : 155,775.06 = 69,862.28 : x
2. Step 2: Convert to fraction form
   112,869/155,775.06 = 69,862.28/x
3. Step 3: Cross multiply
   112,869x = 155,775.06 × 69,862.28
4. Step 4: Simplify right side
   112,869x = 10,882,800,858.74
5. Step 5: Solve for x
   x = 10,882,800,858.74/112,869
6. Step 6: Final answer
   x = 96,419.75