Finding the Fourth Proportional to 30,903.32, 42,646.17 and 16,755.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,903.32 : 42,646.17 = 16,755.86 : x
2. Step 2: Convert to fraction form
   30,903.32/42,646.17 = 16,755.86/x
3. Step 3: Cross multiply
   30,903.32x = 42,646.17 × 16,755.86
4. Step 4: Simplify right side
   30,903.32x = 714,573,254.06
5. Step 5: Solve for x
   x = 714,573,254.06/30,903.32
6. Step 6: Final answer
   x = 23,122.86