Finding the Fourth Proportional to 117,681.90, 162,404.18 and 63,970.53

Step by Step Solution

1. Step 1: Write the proportion equation
   117,681.90 : 162,404.18 = 63,970.53 : x
2. Step 2: Convert to fraction form
   117,681.90/162,404.18 = 63,970.53/x
3. Step 3: Cross multiply
   117,681.90x = 162,404.18 × 63,970.53
4. Step 4: Simplify right side
   117,681.90x = 10,389,081,468.82
5. Step 5: Solve for x
   x = 10,389,081,468.82/117,681.90
6. Step 6: Final answer
   x = 88,281.05