Finding the Fourth Proportional to 31,048, 42,846.24 and 16,900.95

Step by Step Solution

1. Step 1: Write the proportion equation
   31,048 : 42,846.24 = 16,900.95 : x
2. Step 2: Convert to fraction form
   31,048/42,846.24 = 16,900.95/x
3. Step 3: Cross multiply
   31,048x = 42,846.24 × 16,900.95
4. Step 4: Simplify right side
   31,048x = 724,142,159.93
5. Step 5: Solve for x
   x = 724,142,159.93/31,048
6. Step 6: Final answer
   x = 23,323.31