Finding the Fourth Proportional to 65,802.78, 90,805.59 and 37,517.58

Step by Step Solution

1. Step 1: Write the proportion equation
   65,802.78 : 90,805.59 = 37,517.58 : x
2. Step 2: Convert to fraction form
   65,802.78/90,805.59 = 37,517.58/x
3. Step 3: Cross multiply
   65,802.78x = 90,805.59 × 37,517.58
4. Step 4: Simplify right side
   65,802.78x = 3,406,805,987.27
5. Step 5: Solve for x
   x = 3,406,805,987.27/65,802.78
6. Step 6: Final answer
   x = 51,772.98