Finding the Fourth Proportional to 493,012.27, 739,600.15 and 173,081.10

Step by Step Solution

1. Step 1: Write the proportion equation
   493,012.27 : 739,600.15 = 173,081.10 : x
2. Step 2: Convert to fraction form
   493,012.27/739,600.15 = 173,081.10/x
3. Step 3: Cross multiply
   493,012.27x = 739,600.15 × 173,081.10
4. Step 4: Simplify right side
   493,012.27x = 128,010,803,824.16
5. Step 5: Solve for x
   x = 128,010,803,824.16/493,012.27
6. Step 6: Final answer
   x = 259,650.34