Finding the Fourth Proportional to 647,162.18, 893,088.24 and 360,700.72

Step by Step Solution

1. Step 1: Write the proportion equation
   647,162.18 : 893,088.24 = 360,700.72 : x
2. Step 2: Convert to fraction form
   647,162.18/893,088.24 = 360,700.72/x
3. Step 3: Cross multiply
   647,162.18x = 893,088.24 × 360,700.72
4. Step 4: Simplify right side
   647,162.18x = 322,137,571,191.53
5. Step 5: Solve for x
   x = 322,137,571,191.53/647,162.18
6. Step 6: Final answer
   x = 497,769.46