Finding the Fourth Proportional to 276,892.30, 382,111.50 and 149,567.86

Step by Step Solution

1. Step 1: Write the proportion equation
   276,892.30 : 382,111.50 = 149,567.86 : x
2. Step 2: Convert to fraction form
   276,892.30/382,111.50 = 149,567.86/x
3. Step 3: Cross multiply
   276,892.30x = 382,111.50 × 149,567.86
4. Step 4: Simplify right side
   276,892.30x = 57,151,599,336.39
5. Step 5: Solve for x
   x = 57,151,599,336.39/276,892.30
6. Step 6: Final answer
   x = 206,403.71