Finding the Fourth Proportional to 117,019.46, 161,486.37 and 63,304.35

Step by Step Solution

1. Step 1: Write the proportion equation
   117,019.46 : 161,486.37 = 63,304.35 : x
2. Step 2: Convert to fraction form
   117,019.46/161,486.37 = 63,304.35/x
3. Step 3: Cross multiply
   117,019.46x = 161,486.37 × 63,304.35
4. Step 4: Simplify right side
   117,019.46x = 10,222,789,686.71
5. Step 5: Solve for x
   x = 10,222,789,686.71/117,019.46
6. Step 6: Final answer
   x = 87,359.74