Finding the Fourth Proportional to 149,733.72, 224,797.38 and 137,355.30

Step by Step Solution

1. Step 1: Write the proportion equation
   149,733.72 : 224,797.38 = 137,355.30 : x
2. Step 2: Convert to fraction form
   149,733.72/224,797.38 = 137,355.30/x
3. Step 3: Cross multiply
   149,733.72x = 224,797.38 × 137,355.30
4. Step 4: Simplify right side
   149,733.72x = 30,877,111,569.11
5. Step 5: Solve for x
   x = 30,877,111,569.11/149,733.72
6. Step 6: Final answer
   x = 206,213.48