Finding the Fourth Proportional to 52,111.63, 71,913.94 and 28,238.23

Step by Step Solution

1. Step 1: Write the proportion equation
   52,111.63 : 71,913.94 = 28,238.23 : x
2. Step 2: Convert to fraction form
   52,111.63/71,913.94 = 28,238.23/x
3. Step 3: Cross multiply
   52,111.63x = 71,913.94 × 28,238.23
4. Step 4: Simplify right side
   52,111.63x = 2,030,722,377.93
5. Step 5: Solve for x
   x = 2,030,722,377.93/52,111.63
6. Step 6: Final answer
   x = 38,968.70