Finding the Fourth Proportional to 13,460.02, 20,191.18 and 4,099.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,460.02 : 20,191.18 = 4,099.83 : x
2. Step 2: Convert to fraction form
   13,460.02/20,191.18 = 4,099.83/x
3. Step 3: Cross multiply
   13,460.02x = 20,191.18 × 4,099.83
4. Step 4: Simplify right side
   13,460.02x = 82,780,405.50
5. Step 5: Solve for x
   x = 82,780,405.50/13,460.02
6. Step 6: Final answer
   x = 6,150.10