Finding the Fourth Proportional to 17,917.83, 26,915.63 and 15,150.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,917.83 : 26,915.63 = 15,150.06 : x
2. Step 2: Convert to fraction form
   17,917.83/26,915.63 = 15,150.06/x
3. Step 3: Cross multiply
   17,917.83x = 26,915.63 × 15,150.06
4. Step 4: Simplify right side
   17,917.83x = 407,773,333.69
5. Step 5: Solve for x
   x = 407,773,333.69/17,917.83
6. Step 6: Final answer
   x = 22,757.96