Finding the Fourth Proportional to 185,798, 256,401.72 and 109,319.96

Step by Step Solution

1. Step 1: Write the proportion equation
   185,798 : 256,401.72 = 109,319.96 : x
2. Step 2: Convert to fraction form
   185,798/256,401.72 = 109,319.96/x
3. Step 3: Cross multiply
   185,798x = 256,401.72 × 109,319.96
4. Step 4: Simplify right side
   185,798x = 28,029,825,774.33
5. Step 5: Solve for x
   x = 28,029,825,774.33/185,798
6. Step 6: Final answer
   x = 150,861.83