Finding the Fourth Proportional to 7,429.56, 10,252.32 and 4,071.78

Step by Step Solution

1. Step 1: Write the proportion equation
   7,429.56 : 10,252.32 = 4,071.78 : x
2. Step 2: Convert to fraction form
   7,429.56/10,252.32 = 4,071.78/x
3. Step 3: Cross multiply
   7,429.56x = 10,252.32 × 4,071.78
4. Step 4: Simplify right side
   7,429.56x = 41,745,191.53
5. Step 5: Solve for x
   x = 41,745,191.53/7,429.56
6. Step 6: Final answer
   x = 5,618.80