Finding the Fourth Proportional to 30,804.66, 42,510.42 and 16,657.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,804.66 : 42,510.42 = 16,657.50 : x
2. Step 2: Convert to fraction form
   30,804.66/42,510.42 = 16,657.50/x
3. Step 3: Cross multiply
   30,804.66x = 42,510.42 × 16,657.50
4. Step 4: Simplify right side
   30,804.66x = 708,117,321.15
5. Step 5: Solve for x
   x = 708,117,321.15/30,804.66
6. Step 6: Final answer
   x = 22,987.34