Finding the Fourth Proportional to 30,729.98, 42,412.56 and 17,807.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,729.98 : 42,412.56 = 17,807.34 : x
2. Step 2: Convert to fraction form
   30,729.98/42,412.56 = 17,807.34/x
3. Step 3: Cross multiply
   30,729.98x = 42,412.56 × 17,807.34
4. Step 4: Simplify right side
   30,729.98x = 755,254,876.19
5. Step 5: Solve for x
   x = 755,254,876.19/30,729.98
6. Step 6: Final answer
   x = 24,577.14