Finding the Fourth Proportional to 31,047.83, 42,846.27 and 16,900.64

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.83 : 42,846.27 = 16,900.64 : x
2. Step 2: Convert to fraction form
   31,047.83/42,846.27 = 16,900.64/x
3. Step 3: Cross multiply
   31,047.83x = 42,846.27 × 16,900.64
4. Step 4: Simplify right side
   31,047.83x = 724,129,384.61
5. Step 5: Solve for x
   x = 724,129,384.61/31,047.83
6. Step 6: Final answer
   x = 23,323.03