Finding the Fourth Proportional to 493,004.32, 739,588.23 and 173,073.15

Step by Step Solution

1. Step 1: Write the proportion equation
   493,004.32 : 739,588.23 = 173,073.15 : x
2. Step 2: Convert to fraction form
   493,004.32/739,588.23 = 173,073.15/x
3. Step 3: Cross multiply
   493,004.32x = 739,588.23 × 173,073.15
4. Step 4: Simplify right side
   493,004.32x = 128,002,864,669.02
5. Step 5: Solve for x
   x = 128,002,864,669.02/493,004.32
6. Step 6: Final answer
   x = 259,638.43