Finding the Fourth Proportional to 42,638.16, 58,830.12 and 23,770.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,638.16 : 58,830.12 = 23,770.56 : x
2. Step 2: Convert to fraction form
   42,638.16/58,830.12 = 23,770.56/x
3. Step 3: Cross multiply
   42,638.16x = 58,830.12 × 23,770.56
4. Step 4: Simplify right side
   42,638.16x = 1,398,424,897.27
5. Step 5: Solve for x
   x = 1,398,424,897.27/42,638.16
6. Step 6: Final answer
   x = 32,797.50