Finding the Fourth Proportional to 42,311.50, 63,411.90 and 17,323.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,311.50 : 63,411.90 = 17,323.07 : x
2. Step 2: Convert to fraction form
   42,311.50/63,411.90 = 17,323.07/x
3. Step 3: Cross multiply
   42,311.50x = 63,411.90 × 17,323.07
4. Step 4: Simplify right side
   42,311.50x = 1,098,488,400.51
5. Step 5: Solve for x
   x = 1,098,488,400.51/42,311.50
6. Step 6: Final answer
   x = 25,961.94