Finding the Fourth Proportional to 81,037.98, 121,404.90 and 31,084.17

Step by Step Solution

1. Step 1: Write the proportion equation
   81,037.98 : 121,404.90 = 31,084.17 : x
2. Step 2: Convert to fraction form
   81,037.98/121,404.90 = 31,084.17/x
3. Step 3: Cross multiply
   81,037.98x = 121,404.90 × 31,084.17
4. Step 4: Simplify right side
   81,037.98x = 3,773,770,395.01
5. Step 5: Solve for x
   x = 3,773,770,395.01/81,037.98
6. Step 6: Final answer
   x = 46,567.92