Finding the Fourth Proportional to 42,255.40, 58,312.74 and 23,392.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,255.40 : 58,312.74 = 23,392.12 : x
2. Step 2: Convert to fraction form
   42,255.40/58,312.74 = 23,392.12/x
3. Step 3: Cross multiply
   42,255.40x = 58,312.74 × 23,392.12
4. Step 4: Simplify right side
   42,255.40x = 1,364,058,611.61
5. Step 5: Solve for x
   x = 1,364,058,611.61/42,255.40
6. Step 6: Final answer
   x = 32,281.29