Finding the Fourth Proportional to 108,978.48, 150,374.88 and 61,229.52

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978.48 : 150,374.88 = 61,229.52 : x
2. Step 2: Convert to fraction form
   108,978.48/150,374.88 = 61,229.52/x
3. Step 3: Cross multiply
   108,978.48x = 150,374.88 × 61,229.52
4. Step 4: Simplify right side
   108,978.48x = 9,207,381,722.46
5. Step 5: Solve for x
   x = 9,207,381,722.46/108,978.48
6. Step 6: Final answer
   x = 84,488.07