Finding the Fourth Proportional to 200,159.35, 276,152.83 and 115,274.59

Step by Step Solution

1. Step 1: Write the proportion equation
   200,159.35 : 276,152.83 = 115,274.59 : x
2. Step 2: Convert to fraction form
   200,159.35/276,152.83 = 115,274.59/x
3. Step 3: Cross multiply
   200,159.35x = 276,152.83 × 115,274.59
4. Step 4: Simplify right side
   200,159.35x = 31,833,404,255.59
5. Step 5: Solve for x
   x = 31,833,404,255.59/200,159.35
6. Step 6: Final answer
   x = 159,040.31