Finding the Fourth Proportional to 10,554.52, 15,821.34 and 4,998.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554.52 : 15,821.34 = 4,998.10 : x
2. Step 2: Convert to fraction form
   10,554.52/15,821.34 = 4,998.10/x
3. Step 3: Cross multiply
   10,554.52x = 15,821.34 × 4,998.10
4. Step 4: Simplify right side
   10,554.52x = 79,076,639.45
5. Step 5: Solve for x
   x = 79,076,639.45/10,554.52
6. Step 6: Final answer
   x = 7,492.21