Finding the Fourth Proportional to 17,725.15, 26,591.86 and 5,878.06

Step by Step Solution

1. Step 1: Write the proportion equation
   17,725.15 : 26,591.86 = 5,878.06 : x
2. Step 2: Convert to fraction form
   17,725.15/26,591.86 = 5,878.06/x
3. Step 3: Cross multiply
   17,725.15x = 26,591.86 × 5,878.06
4. Step 4: Simplify right side
   17,725.15x = 156,308,548.59
5. Step 5: Solve for x
   x = 156,308,548.59/17,725.15
6. Step 6: Final answer
   x = 8,818.46