Finding the Fourth Proportional to 52,270.34, 72,503.16 and 50,478.11

Step by Step Solution

1. Step 1: Write the proportion equation
   52,270.34 : 72,503.16 = 50,478.11 : x
2. Step 2: Convert to fraction form
   52,270.34/72,503.16 = 50,478.11/x
3. Step 3: Cross multiply
   52,270.34x = 72,503.16 × 50,478.11
4. Step 4: Simplify right side
   52,270.34x = 3,659,822,123.31
5. Step 5: Solve for x
   x = 3,659,822,123.31/52,270.34
6. Step 6: Final answer
   x = 70,017.19