Finding the Fourth Proportional to 13,820.06, 20,596.72 and 13,798.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,820.06 : 20,596.72 = 13,798.10 : x
2. Step 2: Convert to fraction form
   13,820.06/20,596.72 = 13,798.10/x
3. Step 3: Cross multiply
   13,820.06x = 20,596.72 × 13,798.10
4. Step 4: Simplify right side
   13,820.06x = 284,195,602.23
5. Step 5: Solve for x
   x = 284,195,602.23/13,820.06
6. Step 6: Final answer
   x = 20,563.99