Finding the Fourth Proportional to 111,476.16, 153,826.92 and 66,146.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111,476.16 : 153,826.92 = 66,146.34 : x
2. Step 2: Convert to fraction form
   111,476.16/153,826.92 = 66,146.34/x
3. Step 3: Cross multiply
   111,476.16x = 153,826.92 × 66,146.34
4. Step 4: Simplify right side
   111,476.16x = 10,175,087,751.47
5. Step 5: Solve for x
   x = 10,175,087,751.47/111,476.16
6. Step 6: Final answer
   x = 91,275.91