Finding the Fourth Proportional to 111,269.01, 153,551.31 and 65,969.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111,269.01 : 153,551.31 = 65,969.34 : x
2. Step 2: Convert to fraction form
   111,269.01/153,551.31 = 65,969.34/x
3. Step 3: Cross multiply
   111,269.01x = 153,551.31 × 65,969.34
4. Step 4: Simplify right side
   111,269.01x = 10,129,678,576.84
5. Step 5: Solve for x
   x = 10,129,678,576.84/111,269.01
6. Step 6: Final answer
   x = 91,037.73