Finding the Fourth Proportional to 10,498.12, 15,749.60 and 3,477.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,498.12 : 15,749.60 = 3,477.84 : x
2. Step 2: Convert to fraction form
   10,498.12/15,749.60 = 3,477.84/x
3. Step 3: Cross multiply
   10,498.12x = 15,749.60 × 3,477.84
4. Step 4: Simplify right side
   10,498.12x = 54,774,588.86
5. Step 5: Solve for x
   x = 54,774,588.86/10,498.12
6. Step 6: Final answer
   x = 5,217.56