Finding the Fourth Proportional to 10,352.31, 15,530.89 and 2,956.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,352.31 : 15,530.89 = 2,956.87 : x
2. Step 2: Convert to fraction form
   10,352.31/15,530.89 = 2,956.87/x
3. Step 3: Cross multiply
   10,352.31x = 15,530.89 × 2,956.87
4. Step 4: Simplify right side
   10,352.31x = 45,922,822.71
5. Step 5: Solve for x
   x = 45,922,822.71/10,352.31
6. Step 6: Final answer
   x = 4,436.00