Finding the Fourth Proportional to 9,992.77, 14,994.62 and 5,610.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.77 : 14,994.62 = 5,610.57 : x
2. Step 2: Convert to fraction form
   9,992.77/14,994.62 = 5,610.57/x
3. Step 3: Cross multiply
   9,992.77x = 14,994.62 × 5,610.57
4. Step 4: Simplify right side
   9,992.77x = 84,128,301.89
5. Step 5: Solve for x
   x = 84,128,301.89/9,992.77
6. Step 6: Final answer
   x = 8,418.92