Finding the Fourth Proportional to 7,473.78, 10,314.12 and 4,116.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,473.78 : 10,314.12 = 4,116.72 : x
2. Step 2: Convert to fraction form
   7,473.78/10,314.12 = 4,116.72/x
3. Step 3: Cross multiply
   7,473.78x = 10,314.12 × 4,116.72
4. Step 4: Simplify right side
   7,473.78x = 42,460,344.09
5. Step 5: Solve for x
   x = 42,460,344.09/7,473.78
6. Step 6: Final answer
   x = 5,681.24