Finding the Fourth Proportional to 117,019.98, 161,487.43 and 63,304.88

Step by Step Solution

1. Step 1: Write the proportion equation
   117,019.98 : 161,487.43 = 63,304.88 : x
2. Step 2: Convert to fraction form
   117,019.98/161,487.43 = 63,304.88/x
3. Step 3: Cross multiply
   117,019.98x = 161,487.43 × 63,304.88
4. Step 4: Simplify right side
   117,019.98x = 10,222,941,411.96
5. Step 5: Solve for x
   x = 10,222,941,411.96/117,019.98
6. Step 6: Final answer
   x = 87,360.65