Finding the Fourth Proportional to 200,432.90, 276,586.71 and 109,784.18

Step by Step Solution

1. Step 1: Write the proportion equation
   200,432.90 : 276,586.71 = 109,784.18 : x
2. Step 2: Convert to fraction form
   200,432.90/276,586.71 = 109,784.18/x
3. Step 3: Cross multiply
   200,432.90x = 276,586.71 × 109,784.18
4. Step 4: Simplify right side
   200,432.90x = 30,364,845,156.25
5. Step 5: Solve for x
   x = 30,364,845,156.25/200,432.90
6. Step 6: Final answer
   x = 151,496.31