Finding the Fourth Proportional to 10,870.76, 16,312.29 and 4,630.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,870.76 : 16,312.29 = 4,630.12 : x
2. Step 2: Convert to fraction form
   10,870.76/16,312.29 = 4,630.12/x
3. Step 3: Cross multiply
   10,870.76x = 16,312.29 × 4,630.12
4. Step 4: Simplify right side
   10,870.76x = 75,527,813.50
5. Step 5: Solve for x
   x = 75,527,813.50/10,870.76
6. Step 6: Final answer
   x = 6,947.80