Finding the Fourth Proportional to 108,805.62, 150,153.72 and 61,061.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,805.62 : 150,153.72 = 61,061.88 : x
2. Step 2: Convert to fraction form
   108,805.62/150,153.72 = 61,061.88/x
3. Step 3: Cross multiply
   108,805.62x = 150,153.72 × 61,061.88
4. Step 4: Simplify right side
   108,805.62x = 9,168,668,432.19
5. Step 5: Solve for x
   x = 9,168,668,432.19/108,805.62
6. Step 6: Final answer
   x = 84,266.50