Finding the Fourth Proportional to 111,363.12, 153,680.88 and 61,062

Step by Step Solution

1. Step 1: Write the proportion equation
   111,363.12 : 153,680.88 = 61,062 : x
2. Step 2: Convert to fraction form
   111,363.12/153,680.88 = 61,062/x
3. Step 3: Cross multiply
   111,363.12x = 153,680.88 × 61,062
4. Step 4: Simplify right side
   111,363.12x = 9,384,061,894.56
5. Step 5: Solve for x
   x = 9,384,061,894.56/111,363.12
6. Step 6: Final answer
   x = 84,265.44