Finding the Fourth Proportional to 117,291.75, 161,862.89 and 63,576.53

Step by Step Solution

1. Step 1: Write the proportion equation
   117,291.75 : 161,862.89 = 63,576.53 : x
2. Step 2: Convert to fraction form
   117,291.75/161,862.89 = 63,576.53/x
3. Step 3: Cross multiply
   117,291.75x = 161,862.89 × 63,576.53
4. Step 4: Simplify right side
   117,291.75x = 10,290,680,987.59
5. Step 5: Solve for x
   x = 10,290,680,987.59/117,291.75
6. Step 6: Final answer
   x = 87,735.76