Finding the Fourth Proportional to 31,580.37, 43,580.30 and 17,432.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,580.37 : 43,580.30 = 17,432.91 : x
2. Step 2: Convert to fraction form
   31,580.37/43,580.30 = 17,432.91/x
3. Step 3: Cross multiply
   31,580.37x = 43,580.30 × 17,432.91
4. Step 4: Simplify right side
   31,580.37x = 759,731,360.51
5. Step 5: Solve for x
   x = 759,731,360.51/31,580.37
6. Step 6: Final answer
   x = 24,057.08