Finding the Fourth Proportional to 65,679.34, 90,638.06 and 37,386.84

Step by Step Solution

1. Step 1: Write the proportion equation
   65,679.34 : 90,638.06 = 37,386.84 : x
2. Step 2: Convert to fraction form
   65,679.34/90,638.06 = 37,386.84/x
3. Step 3: Cross multiply
   65,679.34x = 90,638.06 × 37,386.84
4. Step 4: Simplify right side
   65,679.34x = 3,388,670,647.13
5. Step 5: Solve for x
   x = 3,388,670,647.13/65,679.34
6. Step 6: Final answer
   x = 51,594.16