Finding the Fourth Proportional to 10,123.53, 13,969.80 and 5,585.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,123.53 : 13,969.80 = 5,585.94 : x
2. Step 2: Convert to fraction form
   10,123.53/13,969.80 = 5,585.94/x
3. Step 3: Cross multiply
   10,123.53x = 13,969.80 × 5,585.94
4. Step 4: Simplify right side
   10,123.53x = 78,034,464.61
5. Step 5: Solve for x
   x = 78,034,464.61/10,123.53
6. Step 6: Final answer
   x = 7,708.23