Finding the Fourth Proportional to 52,213.59, 72,054.83 and 28,340.27

Step by Step Solution

1. Step 1: Write the proportion equation
   52,213.59 : 72,054.83 = 28,340.27 : x
2. Step 2: Convert to fraction form
   52,213.59/72,054.83 = 28,340.27/x
3. Step 3: Cross multiply
   52,213.59x = 72,054.83 × 28,340.27
4. Step 4: Simplify right side
   52,213.59x = 2,042,053,317.79
5. Step 5: Solve for x
   x = 2,042,053,317.79/52,213.59
6. Step 6: Final answer
   x = 39,109.61