Finding the Fourth Proportional to 22,511.55, 31,060.76 and 13,074.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,511.55 : 31,060.76 = 13,074.51 : x
2. Step 2: Convert to fraction form
   22,511.55/31,060.76 = 13,074.51/x
3. Step 3: Cross multiply
   22,511.55x = 31,060.76 × 13,074.51
4. Step 4: Simplify right side
   22,511.55x = 406,104,151.86
5. Step 5: Solve for x
   x = 406,104,151.86/22,511.55
6. Step 6: Final answer
   x = 18,039.81