Finding the Fourth Proportional to 22,575.74, 31,151.86 and 13,015.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,575.74 : 31,151.86 = 13,015.52 : x
2. Step 2: Convert to fraction form
   22,575.74/31,151.86 = 13,015.52/x
3. Step 3: Cross multiply
   22,575.74x = 31,151.86 × 13,015.52
4. Step 4: Simplify right side
   22,575.74x = 405,457,656.87
5. Step 5: Solve for x
   x = 405,457,656.87/22,575.74
6. Step 6: Final answer
   x = 17,959.88