Finding the Fourth Proportional to 42,483.79, 58,622.94 and 25,488.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,483.79 : 58,622.94 = 25,488.78 : x
2. Step 2: Convert to fraction form
   42,483.79/58,622.94 = 25,488.78/x
3. Step 3: Cross multiply
   42,483.79x = 58,622.94 × 25,488.78
4. Step 4: Simplify right side
   42,483.79x = 1,494,227,000.78
5. Step 5: Solve for x
   x = 1,494,227,000.78/42,483.79
6. Step 6: Final answer
   x = 35,171.70