Finding the Fourth Proportional to 31,047.66, 42,844.56 and 16,900.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.66 : 42,844.56 = 16,900.56 : x
2. Step 2: Convert to fraction form
   31,047.66/42,844.56 = 16,900.56/x
3. Step 3: Cross multiply
   31,047.66x = 42,844.56 × 16,900.56
4. Step 4: Simplify right side
   31,047.66x = 724,097,056.95
5. Step 5: Solve for x
   x = 724,097,056.95/31,047.66
6. Step 6: Final answer
   x = 23,322.11