Finding the Fourth Proportional to 111,194, 153,447.72 and 66,492.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,194 : 153,447.72 = 66,492.56 : x
2. Step 2: Convert to fraction form
   111,194/153,447.72 = 66,492.56/x
3. Step 3: Cross multiply
   111,194x = 153,447.72 × 66,492.56
4. Step 4: Simplify right side
   111,194x = 10,203,131,728.96
5. Step 5: Solve for x
   x = 10,203,131,728.96/111,194
6. Step 6: Final answer
   x = 91,759.73