Finding the Fourth Proportional to 185,778.63, 256,375.53 and 109,300.59

Step by Step Solution

1. Step 1: Write the proportion equation
   185,778.63 : 256,375.53 = 109,300.59 : x
2. Step 2: Convert to fraction form
   185,778.63/256,375.53 = 109,300.59/x
3. Step 3: Cross multiply
   185,778.63x = 256,375.53 × 109,300.59
4. Step 4: Simplify right side
   185,778.63x = 28,021,996,690.56
5. Step 5: Solve for x
   x = 28,021,996,690.56/185,778.63
6. Step 6: Final answer
   x = 150,835.41