Finding the Fourth Proportional to 28,153.93, 42,146.76 and 17,026.96

Step by Step Solution

1. Step 1: Write the proportion equation
   28,153.93 : 42,146.76 = 17,026.96 : x
2. Step 2: Convert to fraction form
   28,153.93/42,146.76 = 17,026.96/x
3. Step 3: Cross multiply
   28,153.93x = 42,146.76 × 17,026.96
4. Step 4: Simplify right side
   28,153.93x = 717,631,196.65
5. Step 5: Solve for x
   x = 717,631,196.65/28,153.93
6. Step 6: Final answer
   x = 25,489.56