Finding the Fourth Proportional to 10,290.53, 14,200.93 and 5,574.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,290.53 : 14,200.93 = 5,574.81 : x
2. Step 2: Convert to fraction form
   10,290.53/14,200.93 = 5,574.81/x
3. Step 3: Cross multiply
   10,290.53x = 14,200.93 × 5,574.81
4. Step 4: Simplify right side
   10,290.53x = 79,167,486.57
5. Step 5: Solve for x
   x = 79,167,486.57/10,290.53
6. Step 6: Final answer
   x = 7,693.24