Finding the Fourth Proportional to 52,300.48, 72,209.42 and 40,179.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,300.48 : 72,209.42 = 40,179.37 : x
2. Step 2: Convert to fraction form
   52,300.48/72,209.42 = 40,179.37/x
3. Step 3: Cross multiply
   52,300.48x = 72,209.42 × 40,179.37
4. Step 4: Simplify right side
   52,300.48x = 2,901,329,058.63
5. Step 5: Solve for x
   x = 2,901,329,058.63/52,300.48
6. Step 6: Final answer
   x = 55,474.24