Finding the Fourth Proportional to 31,153.32, 42,991.83 and 17,006.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,153.32 : 42,991.83 = 17,006.13 : x
2. Step 2: Convert to fraction form
   31,153.32/42,991.83 = 17,006.13/x
3. Step 3: Cross multiply
   31,153.32x = 42,991.83 × 17,006.13
4. Step 4: Simplify right side
   31,153.32x = 731,124,649.92
5. Step 5: Solve for x
   x = 731,124,649.92/31,153.32
6. Step 6: Final answer
   x = 23,468.59