Finding the Fourth Proportional to 111,228.10, 153,371.78 and 70,877.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111,228.10 : 153,371.78 = 70,877.95 : x
2. Step 2: Convert to fraction form
   111,228.10/153,371.78 = 70,877.95/x
3. Step 3: Cross multiply
   111,228.10x = 153,371.78 × 70,877.95
4. Step 4: Simplify right side
   111,228.10x = 10,870,676,882.22
5. Step 5: Solve for x
   x = 10,870,676,882.22/111,228.10
6. Step 6: Final answer
   x = 97,733.19