Finding the Fourth Proportional to 10,938.40, 16,404.58 and 4,698.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.40 : 16,404.58 = 4,698.16 : x
2. Step 2: Convert to fraction form
   10,938.40/16,404.58 = 4,698.16/x
3. Step 3: Cross multiply
   10,938.40x = 16,404.58 × 4,698.16
4. Step 4: Simplify right side
   10,938.40x = 77,071,341.57
5. Step 5: Solve for x
   x = 77,071,341.57/10,938.40
6. Step 6: Final answer
   x = 7,045.94