Finding the Fourth Proportional to 52,007.16, 71,802.54 and 34,128.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,007.16 : 71,802.54 = 34,128.12 : x
2. Step 2: Convert to fraction form
   52,007.16/71,802.54 = 34,128.12/x
3. Step 3: Cross multiply
   52,007.16x = 71,802.54 × 34,128.12
4. Step 4: Simplify right side
   52,007.16x = 2,450,485,701.42
5. Step 5: Solve for x
   x = 2,450,485,701.42/52,007.16
6. Step 6: Final answer
   x = 47,118.24