Finding the Fourth Proportional to 1,389,730.48, 2,084,573.82 and 443,094.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,730.48 : 2,084,573.82 = 443,094.82 : x
2. Step 2: Convert to fraction form
   1,389,730.48/2,084,573.82 = 443,094.82/x
3. Step 3: Cross multiply
   1,389,730.48x = 2,084,573.82 × 443,094.82
4. Step 4: Simplify right side
   1,389,730.48x = 923,663,861,549.61
5. Step 5: Solve for x
   x = 923,663,861,549.61/1,389,730.48
6. Step 6: Final answer
   x = 664,635.25