Finding the Fourth Proportional to 2,997.50, 4,136.91 and 1,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,997.50 : 4,136.91 = 1,755.50 : x
2. Step 2: Convert to fraction form
   2,997.50/4,136.91 = 1,755.50/x
3. Step 3: Cross multiply
   2,997.50x = 4,136.91 × 1,755.50
4. Step 4: Simplify right side
   2,997.50x = 7,262,345.51
5. Step 5: Solve for x
   x = 7,262,345.51/2,997.50
6. Step 6: Final answer
   x = 2,422.80