Finding the Fourth Proportional to 109,196.88, 163,788.84 and 64,243.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,196.88 : 163,788.84 = 64,243.52 : x
2. Step 2: Convert to fraction form
   109,196.88/163,788.84 = 64,243.52/x
3. Step 3: Cross multiply
   109,196.88x = 163,788.84 × 64,243.52
4. Step 4: Simplify right side
   109,196.88x = 10,522,371,618.32
5. Step 5: Solve for x
   x = 10,522,371,618.32/109,196.88
6. Step 6: Final answer
   x = 96,361.47