Finding the Fourth Proportional to 31,505.10, 43,477 and 17,357.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,505.10 : 43,477 = 17,357.94 : x
2. Step 2: Convert to fraction form
   31,505.10/43,477 = 17,357.94/x
3. Step 3: Cross multiply
   31,505.10x = 43,477 × 17,357.94
4. Step 4: Simplify right side
   31,505.10x = 754,671,157.38
5. Step 5: Solve for x
   x = 754,671,157.38/31,505.10
6. Step 6: Final answer
   x = 23,953.94