Finding the Fourth Proportional to 30,910.94, 42,656.80 and 17,484.81

Step by Step Solution

1. Step 1: Write the proportion equation
   30,910.94 : 42,656.80 = 17,484.81 : x
2. Step 2: Convert to fraction form
   30,910.94/42,656.80 = 17,484.81/x
3. Step 3: Cross multiply
   30,910.94x = 42,656.80 × 17,484.81
4. Step 4: Simplify right side
   30,910.94x = 745,845,955.78
5. Step 5: Solve for x
   x = 745,845,955.78/30,910.94
6. Step 6: Final answer
   x = 24,128.87