Finding the Fourth Proportional to 65,473.31, 90,353.17 and 35,665.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,473.31 : 90,353.17 = 35,665.31 : x
2. Step 2: Convert to fraction form
   65,473.31/90,353.17 = 35,665.31/x
3. Step 3: Cross multiply
   65,473.31x = 90,353.17 × 35,665.31
4. Step 4: Simplify right side
   65,473.31x = 3,222,474,088.00
5. Step 5: Solve for x
   x = 3,222,474,088.00/65,473.31
6. Step 6: Final answer
   x = 49,218.13