Finding the Fourth Proportional to 466,111.50, 643,283.27 and 284,929.48

Step by Step Solution

1. Step 1: Write the proportion equation
   466,111.50 : 643,283.27 = 284,929.48 : x
2. Step 2: Convert to fraction form
   466,111.50/643,283.27 = 284,929.48/x
3. Step 3: Cross multiply
   466,111.50x = 643,283.27 × 284,929.48
4. Step 4: Simplify right side
   466,111.50x = 183,290,368,061.74
5. Step 5: Solve for x
   x = 183,290,368,061.74/466,111.50
6. Step 6: Final answer
   x = 393,232.88