Finding the Fourth Proportional to 65,850.78, 98,688.69 and 37,784.28

Step by Step Solution

1. Step 1: Write the proportion equation
   65,850.78 : 98,688.69 = 37,784.28 : x
2. Step 2: Convert to fraction form
   65,850.78/98,688.69 = 37,784.28/x
3. Step 3: Cross multiply
   65,850.78x = 98,688.69 × 37,784.28
4. Step 4: Simplify right side
   65,850.78x = 3,728,881,095.79
5. Step 5: Solve for x
   x = 3,728,881,095.79/65,850.78
6. Step 6: Final answer
   x = 56,626.23