Finding the Fourth Proportional to 101,196.28, 139,665.90 and 98,098.84

Step by Step Solution

1. Step 1: Write the proportion equation
   101,196.28 : 139,665.90 = 98,098.84 : x
2. Step 2: Convert to fraction form
   101,196.28/139,665.90 = 98,098.84/x
3. Step 3: Cross multiply
   101,196.28x = 139,665.90 × 98,098.84
4. Step 4: Simplify right side
   101,196.28x = 13,701,062,777.56
5. Step 5: Solve for x
   x = 13,701,062,777.56/101,196.28
6. Step 6: Final answer
   x = 135,390.97