Finding the Fourth Proportional to 65,266.73, 90,022.00 and 55,551.35

Step by Step Solution

1. Step 1: Write the proportion equation
   65,266.73 : 90,022.00 = 55,551.35 : x
2. Step 2: Convert to fraction form
   65,266.73/90,022.00 = 55,551.35/x
3. Step 3: Cross multiply
   65,266.73x = 90,022.00 × 55,551.35
4. Step 4: Simplify right side
   65,266.73x = 5,000,842,901.83
5. Step 5: Solve for x
   x = 5,000,842,901.83/65,266.73
6. Step 6: Final answer
   x = 76,621.63