Finding the Fourth Proportional to 52,214.09, 72,055.53 and 28,340.77

Step by Step Solution

1. Step 1: Write the proportion equation
   52,214.09 : 72,055.53 = 28,340.77 : x
2. Step 2: Convert to fraction form
   52,214.09/72,055.53 = 28,340.77/x
3. Step 3: Cross multiply
   52,214.09x = 72,055.53 × 28,340.77
4. Step 4: Simplify right side
   52,214.09x = 2,042,109,061.25
5. Step 5: Solve for x
   x = 2,042,109,061.25/52,214.09
6. Step 6: Final answer
   x = 39,110.31