Finding the Fourth Proportional to 42,246.72, 58,301.64 and 25,470

Step by Step Solution

1. Step 1: Write the proportion equation
   42,246.72 : 58,301.64 = 25,470 : x
2. Step 2: Convert to fraction form
   42,246.72/58,301.64 = 25,470/x
3. Step 3: Cross multiply
   42,246.72x = 58,301.64 × 25,470
4. Step 4: Simplify right side
   42,246.72x = 1,484,942,770.80
5. Step 5: Solve for x
   x = 1,484,942,770.80/42,246.72
6. Step 6: Final answer
   x = 35,149.30