Finding the Fourth Proportional to 52,211.43, 72,051.83 and 28,338.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,211.43 : 72,051.83 = 28,338.10 : x
2. Step 2: Convert to fraction form
   52,211.43/72,051.83 = 28,338.10/x
3. Step 3: Cross multiply
   52,211.43x = 72,051.83 × 28,338.10
4. Step 4: Simplify right side
   52,211.43x = 2,041,812,034.57
5. Step 5: Solve for x
   x = 2,041,812,034.57/52,211.43
6. Step 6: Final answer
   x = 39,106.61