Finding the Fourth Proportional to 118,779.48, 163,915.22 and 65,064.44

Step by Step Solution

1. Step 1: Write the proportion equation
   118,779.48 : 163,915.22 = 65,064.44 : x
2. Step 2: Convert to fraction form
   118,779.48/163,915.22 = 65,064.44/x
3. Step 3: Cross multiply
   118,779.48x = 163,915.22 × 65,064.44
4. Step 4: Simplify right side
   118,779.48x = 10,665,051,996.78
5. Step 5: Solve for x
   x = 10,665,051,996.78/118,779.48
6. Step 6: Final answer
   x = 89,788.67