Finding the Fourth Proportional to 65,915.55, 90,969.06 and 37,240.48

Step by Step Solution

1. Step 1: Write the proportion equation
   65,915.55 : 90,969.06 = 37,240.48 : x
2. Step 2: Convert to fraction form
   65,915.55/90,969.06 = 37,240.48/x
3. Step 3: Cross multiply
   65,915.55x = 90,969.06 × 37,240.48
4. Step 4: Simplify right side
   65,915.55x = 3,387,731,459.55
5. Step 5: Solve for x
   x = 3,387,731,459.55/65,915.55
6. Step 6: Final answer
   x = 51,395.03