Finding the Fourth Proportional to 106,196.16, 146,563.20 and 63,753.60

Step by Step Solution

1. Step 1: Write the proportion equation
   106,196.16 : 146,563.20 = 63,753.60 : x
2. Step 2: Convert to fraction form
   106,196.16/146,563.20 = 63,753.60/x
3. Step 3: Cross multiply
   106,196.16x = 146,563.20 × 63,753.60
4. Step 4: Simplify right side
   106,196.16x = 9,343,931,627.52
5. Step 5: Solve for x
   x = 9,343,931,627.52/106,196.16
6. Step 6: Final answer
   x = 87,987.47