Finding the Fourth Proportional to 60,644.72, 91,052.16 and 31,083.76

Step by Step Solution

1. Step 1: Write the proportion equation
   60,644.72 : 91,052.16 = 31,083.76 : x
2. Step 2: Convert to fraction form
   60,644.72/91,052.16 = 31,083.76/x
3. Step 3: Cross multiply
   60,644.72x = 91,052.16 × 31,083.76
4. Step 4: Simplify right side
   60,644.72x = 2,830,243,488.92
5. Step 5: Solve for x
   x = 2,830,243,488.92/60,644.72
6. Step 6: Final answer
   x = 46,669.25