Finding the Fourth Proportional to 12,070.55, 18,023.25 and 10,813.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,070.55 : 18,023.25 = 10,813.02 : x
2. Step 2: Convert to fraction form
   12,070.55/18,023.25 = 10,813.02/x
3. Step 3: Cross multiply
   12,070.55x = 18,023.25 × 10,813.02
4. Step 4: Simplify right side
   12,070.55x = 194,885,762.72
5. Step 5: Solve for x
   x = 194,885,762.72/12,070.55
6. Step 6: Final answer
   x = 16,145.56