Finding the Fourth Proportional to 52,631.52, 78,270.38 and 50,970.35

Step by Step Solution

1. Step 1: Write the proportion equation
   52,631.52 : 78,270.38 = 50,970.35 : x
2. Step 2: Convert to fraction form
   52,631.52/78,270.38 = 50,970.35/x
3. Step 3: Cross multiply
   52,631.52x = 78,270.38 × 50,970.35
4. Step 4: Simplify right side
   52,631.52x = 3,989,468,017.03
5. Step 5: Solve for x
   x = 3,989,468,017.03/52,631.52
6. Step 6: Final answer
   x = 75,799.98