Finding the Fourth Proportional to 10,812.96, 14,917.50 and 7,630.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,812.96 : 14,917.50 = 7,630.88 : x
2. Step 2: Convert to fraction form
   10,812.96/14,917.50 = 7,630.88/x
3. Step 3: Cross multiply
   10,812.96x = 14,917.50 × 7,630.88
4. Step 4: Simplify right side
   10,812.96x = 113,833,577.81
5. Step 5: Solve for x
   x = 113,833,577.81/10,812.96
6. Step 6: Final answer
   x = 10,527.51