Finding the Fourth Proportional to 42,738.48, 64,101.24 and 15,030

Step by Step Solution

1. Step 1: Write the proportion equation
   42,738.48 : 64,101.24 = 15,030 : x
2. Step 2: Convert to fraction form
   42,738.48/64,101.24 = 15,030/x
3. Step 3: Cross multiply
   42,738.48x = 64,101.24 × 15,030
4. Step 4: Simplify right side
   42,738.48x = 963,441,637.20
5. Step 5: Solve for x
   x = 963,441,637.20/42,738.48
6. Step 6: Final answer
   x = 22,542.72