Finding the Fourth Proportional to 53,377.32, 80,039.52 and 31,196.28

Step by Step Solution

1. Step 1: Write the proportion equation
   53,377.32 : 80,039.52 = 31,196.28 : x
2. Step 2: Convert to fraction form
   53,377.32/80,039.52 = 31,196.28/x
3. Step 3: Cross multiply
   53,377.32x = 80,039.52 × 31,196.28
4. Step 4: Simplify right side
   53,377.32x = 2,496,935,276.99
5. Step 5: Solve for x
   x = 2,496,935,276.99/53,377.32
6. Step 6: Final answer
   x = 46,778.96