Finding the Fourth Proportional to 148,196.05, 221,816.76 and 97,636.81

Step by Step Solution

1. Step 1: Write the proportion equation
   148,196.05 : 221,816.76 = 97,636.81 : x
2. Step 2: Convert to fraction form
   148,196.05/221,816.76 = 97,636.81/x
3. Step 3: Cross multiply
   148,196.05x = 221,816.76 × 97,636.81
4. Step 4: Simplify right side
   148,196.05x = 21,657,480,850.94
5. Step 5: Solve for x
   x = 21,657,480,850.94/148,196.05
6. Step 6: Final answer
   x = 146,140.74