Finding the Fourth Proportional to 42,690, 58,915.05 and 23,827.53

Step by Step Solution

1. Step 1: Write the proportion equation
   42,690 : 58,915.05 = 23,827.53 : x
2. Step 2: Convert to fraction form
   42,690/58,915.05 = 23,827.53/x
3. Step 3: Cross multiply
   42,690x = 58,915.05 × 23,827.53
4. Step 4: Simplify right side
   42,690x = 1,403,800,121.33
5. Step 5: Solve for x
   x = 1,403,800,121.33/42,690
6. Step 6: Final answer
   x = 32,883.58