Finding the Fourth Proportional to 111,326, 153,630.42 and 66,614

Step by Step Solution

1. Step 1: Write the proportion equation
   111,326 : 153,630.42 = 66,614 : x
2. Step 2: Convert to fraction form
   111,326/153,630.42 = 66,614/x
3. Step 3: Cross multiply
   111,326x = 153,630.42 × 66,614
4. Step 4: Simplify right side
   111,326x = 10,233,936,797.88
5. Step 5: Solve for x
   x = 10,233,936,797.88/111,326
6. Step 6: Final answer
   x = 91,927.64