Finding the Fourth Proportional to 31,155.03, 42,994.08 and 17,007.93

Step by Step Solution

1. Step 1: Write the proportion equation
   31,155.03 : 42,994.08 = 17,007.93 : x
2. Step 2: Convert to fraction form
   31,155.03/42,994.08 = 17,007.93/x
3. Step 3: Cross multiply
   31,155.03x = 42,994.08 × 17,007.93
4. Step 4: Simplify right side
   31,155.03x = 731,240,303.05
5. Step 5: Solve for x
   x = 731,240,303.05/31,155.03
6. Step 6: Final answer
   x = 23,471.02