Finding the Fourth Proportional to 148,362.84, 221,465.03 and 137,398.68

Step by Step Solution

1. Step 1: Write the proportion equation
   148,362.84 : 221,465.03 = 137,398.68 : x
2. Step 2: Convert to fraction form
   148,362.84/221,465.03 = 137,398.68/x
3. Step 3: Cross multiply
   148,362.84x = 221,465.03 × 137,398.68
4. Step 4: Simplify right side
   148,362.84x = 30,429,002,788.16
5. Step 5: Solve for x
   x = 30,429,002,788.16/148,362.84
6. Step 6: Final answer
   x = 205,098.55