Finding the Fourth Proportional to 148,363.84, 221,466.52 and 137,399.68

Step by Step Solution

1. Step 1: Write the proportion equation
   148,363.84 : 221,466.52 = 137,399.68 : x
2. Step 2: Convert to fraction form
   148,363.84/221,466.52 = 137,399.68/x
3. Step 3: Cross multiply
   148,363.84x = 221,466.52 × 137,399.68
4. Step 4: Simplify right side
   148,363.84x = 30,429,428,978.71
5. Step 5: Solve for x
   x = 30,429,428,978.71/148,363.84
6. Step 6: Final answer
   x = 205,100.04