Finding the Fourth Proportional to 65,776.55, 98,564.43 and 34,196.87

Step by Step Solution

1. Step 1: Write the proportion equation
   65,776.55 : 98,564.43 = 34,196.87 : x
2. Step 2: Convert to fraction form
   65,776.55/98,564.43 = 34,196.87/x
3. Step 3: Cross multiply
   65,776.55x = 98,564.43 × 34,196.87
4. Step 4: Simplify right side
   65,776.55x = 3,370,594,506.51
5. Step 5: Solve for x
   x = 3,370,594,506.51/65,776.55
6. Step 6: Final answer
   x = 51,243.11