Finding the Fourth Proportional to 28,679.02, 42,969.98 and 17,562.49

Step by Step Solution

1. Step 1: Write the proportion equation
   28,679.02 : 42,969.98 = 17,562.49 : x
2. Step 2: Convert to fraction form
   28,679.02/42,969.98 = 17,562.49/x
3. Step 3: Cross multiply
   28,679.02x = 42,969.98 × 17,562.49
4. Step 4: Simplify right side
   28,679.02x = 754,659,780.53
5. Step 5: Solve for x
   x = 754,659,780.53/28,679.02
6. Step 6: Final answer
   x = 26,314.00