Finding the Fourth Proportional to 93,061.12, 128,423.04 and 50,618.68

Step by Step Solution

1. Step 1: Write the proportion equation
   93,061.12 : 128,423.04 = 50,618.68 : x
2. Step 2: Convert to fraction form
   93,061.12/128,423.04 = 50,618.68/x
3. Step 3: Cross multiply
   93,061.12x = 128,423.04 × 50,618.68
4. Step 4: Simplify right side
   93,061.12x = 6,500,604,766.39
5. Step 5: Solve for x
   x = 6,500,604,766.39/93,061.12
6. Step 6: Final answer
   x = 69,853.07