Finding the Fourth Proportional to 10,788.88, 14,897.10 and 8,437.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,788.88 : 14,897.10 = 8,437.72 : x
2. Step 2: Convert to fraction form
   10,788.88/14,897.10 = 8,437.72/x
3. Step 3: Cross multiply
   10,788.88x = 14,897.10 × 8,437.72
4. Step 4: Simplify right side
   10,788.88x = 125,697,558.61
5. Step 5: Solve for x
   x = 125,697,558.61/10,788.88
6. Step 6: Final answer
   x = 11,650.66