Finding the Fourth Proportional to 10,788.57, 14,883.90 and 7,962.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.57 : 14,883.90 = 7,962.69 : x
2. Step 2: Convert to fraction form
   10,788.57/14,883.90 = 7,962.69/x
3. Step 3: Cross multiply
   10,788.57x = 14,883.90 × 7,962.69
4. Step 4: Simplify right side
   10,788.57x = 118,515,881.69
5. Step 5: Solve for x
   x = 118,515,881.69/10,788.57
6. Step 6: Final answer
   x = 10,985.32