Finding the Fourth Proportional to 171,002.24, 256,555.24 and 91,026.58

Step by Step Solution

1. Step 1: Write the proportion equation
   171,002.24 : 256,555.24 = 91,026.58 : x
2. Step 2: Convert to fraction form
   171,002.24/256,555.24 = 91,026.58/x
3. Step 3: Cross multiply
   171,002.24x = 256,555.24 × 91,026.58
4. Step 4: Simplify right side
   171,002.24x = 23,353,346,078.28
5. Step 5: Solve for x
   x = 23,353,346,078.28/171,002.24
6. Step 6: Final answer
   x = 136,567.49