Finding the Fourth Proportional to 200,076.52, 299,782.50 and 140,787.76

Step by Step Solution

1. Step 1: Write the proportion equation
   200,076.52 : 299,782.50 = 140,787.76 : x
2. Step 2: Convert to fraction form
   200,076.52/299,782.50 = 140,787.76/x
3. Step 3: Cross multiply
   200,076.52x = 299,782.50 × 140,787.76
4. Step 4: Simplify right side
   200,076.52x = 42,205,706,662.20
5. Step 5: Solve for x
   x = 42,205,706,662.20/200,076.52
6. Step 6: Final answer
   x = 210,947.82