Finding the Fourth Proportional to 493,012.51, 739,600.52 and 173,081.35

Step by Step Solution

1. Step 1: Write the proportion equation
   493,012.51 : 739,600.52 = 173,081.35 : x
2. Step 2: Convert to fraction form
   493,012.51/739,600.52 = 173,081.35/x
3. Step 3: Cross multiply
   493,012.51x = 739,600.52 × 173,081.35
4. Step 4: Simplify right side
   493,012.51x = 128,011,056,462.30
5. Step 5: Solve for x
   x = 128,011,056,462.30/493,012.51
6. Step 6: Final answer
   x = 259,650.73