Finding the Fourth Proportional to 111,266.01, 153,547.17 and 65,966.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111,266.01 : 153,547.17 = 65,966.34 : x
2. Step 2: Convert to fraction form
   111,266.01/153,547.17 = 65,966.34/x
3. Step 3: Cross multiply
   111,266.01x = 153,547.17 × 65,966.34
4. Step 4: Simplify right side
   111,266.01x = 10,128,944,822.26
5. Step 5: Solve for x
   x = 10,128,944,822.26/111,266.01
6. Step 6: Final answer
   x = 91,033.59