Finding the Fourth Proportional to 10,312.15, 15,463.05 and 5,047.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,312.15 : 15,463.05 = 5,047.57 : x
2. Step 2: Convert to fraction form
   10,312.15/15,463.05 = 5,047.57/x
3. Step 3: Cross multiply
   10,312.15x = 15,463.05 × 5,047.57
4. Step 4: Simplify right side
   10,312.15x = 78,050,827.29
5. Step 5: Solve for x
   x = 78,050,827.29/10,312.15
6. Step 6: Final answer
   x = 7,568.82