Finding the Fourth Proportional to 111,446.56, 153,774.32 and 66,116.08

Step by Step Solution

1. Step 1: Write the proportion equation
   111,446.56 : 153,774.32 = 66,116.08 : x
2. Step 2: Convert to fraction form
   111,446.56/153,774.32 = 66,116.08/x
3. Step 3: Cross multiply
   111,446.56x = 153,774.32 × 66,116.08
4. Step 4: Simplify right side
   111,446.56x = 10,166,955,243.07
5. Step 5: Solve for x
   x = 10,166,955,243.07/111,446.56
6. Step 6: Final answer
   x = 91,227.18