Finding the Fourth Proportional to 10,554.77, 15,827.49 and 5,623.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554.77 : 15,827.49 = 5,623.35 : x
2. Step 2: Convert to fraction form
   10,554.77/15,827.49 = 5,623.35/x
3. Step 3: Cross multiply
   10,554.77x = 15,827.49 × 5,623.35
4. Step 4: Simplify right side
   10,554.77x = 89,003,515.89
5. Step 5: Solve for x
   x = 89,003,515.89/10,554.77
6. Step 6: Final answer
   x = 8,432.54