Finding the Fourth Proportional to 30,494.64, 42,090.72 and 17,927.76

Step by Step Solution

1. Step 1: Write the proportion equation
   30,494.64 : 42,090.72 = 17,927.76 : x
2. Step 2: Convert to fraction form
   30,494.64/42,090.72 = 17,927.76/x
3. Step 3: Cross multiply
   30,494.64x = 42,090.72 × 17,927.76
4. Step 4: Simplify right side
   30,494.64x = 754,592,326.39
5. Step 5: Solve for x
   x = 754,592,326.39/30,494.64
6. Step 6: Final answer
   x = 24,745.08