Finding the Fourth Proportional to 52,214.42, 72,055.51 and 28,340.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,214.42 : 72,055.51 = 28,340.62 : x
2. Step 2: Convert to fraction form
   52,214.42/72,055.51 = 28,340.62/x
3. Step 3: Cross multiply
   52,214.42x = 72,055.51 × 28,340.62
4. Step 4: Simplify right side
   52,214.42x = 2,042,097,576.83
5. Step 5: Solve for x
   x = 2,042,097,576.83/52,214.42
6. Step 6: Final answer
   x = 39,109.84