Finding the Fourth Proportional to 42,003.40, 60,477.12 and 42,003.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,003.40 : 60,477.12 = 42,003.40 : x
2. Step 2: Convert to fraction form
   42,003.40/60,477.12 = 42,003.40/x
3. Step 3: Cross multiply
   42,003.40x = 60,477.12 × 42,003.40
4. Step 4: Simplify right side
   42,003.40x = 2,540,244,662.21
5. Step 5: Solve for x
   x = 2,540,244,662.21/42,003.40
6. Step 6: Final answer
   x = 60,477.12