Finding the Fourth Proportional to 52,961.31, 73,056.10 and 31,728.27

Step by Step Solution

1. Step 1: Write the proportion equation
   52,961.31 : 73,056.10 = 31,728.27 : x
2. Step 2: Convert to fraction form
   52,961.31/73,056.10 = 31,728.27/x
3. Step 3: Cross multiply
   52,961.31x = 73,056.10 × 31,728.27
4. Step 4: Simplify right side
   52,961.31x = 2,317,943,689.95
5. Step 5: Solve for x
   x = 2,317,943,689.95/52,961.31
6. Step 6: Final answer
   x = 43,766.74