Finding the Fourth Proportional to 10,078.71, 15,123.18 and 4,530.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.71 : 15,123.18 = 4,530.93 : x
2. Step 2: Convert to fraction form
   10,078.71/15,123.18 = 4,530.93/x
3. Step 3: Cross multiply
   10,078.71x = 15,123.18 × 4,530.93
4. Step 4: Simplify right side
   10,078.71x = 68,522,069.96
5. Step 5: Solve for x
   x = 68,522,069.96/10,078.71
6. Step 6: Final answer
   x = 6,798.69