Finding the Fourth Proportional to 52,436.93, 72,363.31 and 28,563.39

Step by Step Solution

1. Step 1: Write the proportion equation
   52,436.93 : 72,363.31 = 28,563.39 : x
2. Step 2: Convert to fraction form
   52,436.93/72,363.31 = 28,563.39/x
3. Step 3: Cross multiply
   52,436.93x = 72,363.31 × 28,563.39
4. Step 4: Simplify right side
   52,436.93x = 2,066,941,373.81
5. Step 5: Solve for x
   x = 2,066,941,373.81/52,436.93
6. Step 6: Final answer
   x = 39,417.67