Finding the Fourth Proportional to 52,631.02, 78,269.63 and 50,969.85

Step by Step Solution

1. Step 1: Write the proportion equation
   52,631.02 : 78,269.63 = 50,969.85 : x
2. Step 2: Convert to fraction form
   52,631.02/78,269.63 = 50,969.85/x
3. Step 3: Cross multiply
   52,631.02x = 78,269.63 × 50,969.85
4. Step 4: Simplify right side
   52,631.02x = 3,989,391,300.66
5. Step 5: Solve for x
   x = 3,989,391,300.66/52,631.02
6. Step 6: Final answer
   x = 75,799.24