Finding the Fourth Proportional to 30,521.68, 45,700.49 and 19,367.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,521.68 : 45,700.49 = 19,367.98 : x
2. Step 2: Convert to fraction form
   30,521.68/45,700.49 = 19,367.98/x
3. Step 3: Cross multiply
   30,521.68x = 45,700.49 × 19,367.98
4. Step 4: Simplify right side
   30,521.68x = 885,126,281.86
5. Step 5: Solve for x
   x = 885,126,281.86/30,521.68
6. Step 6: Final answer
   x = 28,999.92