Finding the Fourth Proportional to 117,685.82, 162,404.51 and 63,972.19

Step by Step Solution

1. Step 1: Write the proportion equation
   117,685.82 : 162,404.51 = 63,972.19 : x
2. Step 2: Convert to fraction form
   117,685.82/162,404.51 = 63,972.19/x
3. Step 3: Cross multiply
   117,685.82x = 162,404.51 × 63,972.19
4. Step 4: Simplify right side
   117,685.82x = 10,389,371,924.50
5. Step 5: Solve for x
   x = 10,389,371,924.50/117,685.82
6. Step 6: Final answer
   x = 88,280.57