Finding the Fourth Proportional to 65,978.17, 91,062.06 and 37,683.85

Step by Step Solution

1. Step 1: Write the proportion equation
   65,978.17 : 91,062.06 = 37,683.85 : x
2. Step 2: Convert to fraction form
   65,978.17/91,062.06 = 37,683.85/x
3. Step 3: Cross multiply
   65,978.17x = 91,062.06 × 37,683.85
4. Step 4: Simplify right side
   65,978.17x = 3,431,569,009.73
5. Step 5: Solve for x
   x = 3,431,569,009.73/65,978.17
6. Step 6: Final answer
   x = 52,010.67