Finding the Fourth Proportional to 270,061.53, 372,688.82 and 149,205.61

Step by Step Solution

1. Step 1: Write the proportion equation
   270,061.53 : 372,688.82 = 149,205.61 : x
2. Step 2: Convert to fraction form
   270,061.53/372,688.82 = 149,205.61/x
3. Step 3: Cross multiply
   270,061.53x = 372,688.82 × 149,205.61
4. Step 4: Simplify right side
   270,061.53x = 55,607,262,728.28
5. Step 5: Solve for x
   x = 55,607,262,728.28/270,061.53
6. Step 6: Final answer
   x = 205,905.90