Finding the Fourth Proportional to 65,693.84, 90,656.52 and 37,399.28

Step by Step Solution

1. Step 1: Write the proportion equation
   65,693.84 : 90,656.52 = 37,399.28 : x
2. Step 2: Convert to fraction form
   65,693.84/90,656.52 = 37,399.28/x
3. Step 3: Cross multiply
   65,693.84x = 90,656.52 × 37,399.28
4. Step 4: Simplify right side
   65,693.84x = 3,390,488,575.31
5. Step 5: Solve for x
   x = 3,390,488,575.31/65,693.84
6. Step 6: Final answer
   x = 51,610.45