Finding the Fourth Proportional to 65,028.71, 97,389.29 and 55,433.25

Step by Step Solution

1. Step 1: Write the proportion equation
   65,028.71 : 97,389.29 = 55,433.25 : x
2. Step 2: Convert to fraction form
   65,028.71/97,389.29 = 55,433.25/x
3. Step 3: Cross multiply
   65,028.71x = 97,389.29 × 55,433.25
4. Step 4: Simplify right side
   65,028.71x = 5,398,604,859.89
5. Step 5: Solve for x
   x = 5,398,604,859.89/65,028.71
6. Step 6: Final answer
   x = 83,018.79