Finding the Fourth Proportional to 535,155.36, 738,522.72 and 293,460

Step by Step Solution

1. Step 1: Write the proportion equation
   535,155.36 : 738,522.72 = 293,460 : x
2. Step 2: Convert to fraction form
   535,155.36/738,522.72 = 293,460/x
3. Step 3: Cross multiply
   535,155.36x = 738,522.72 × 293,460
4. Step 4: Simplify right side
   535,155.36x = 216,726,877,411.20
5. Step 5: Solve for x
   x = 216,726,877,411.20/535,155.36
6. Step 6: Final answer
   x = 404,979.36