Finding the Fourth Proportional to 1,383,580.92, 1,909,348.72 and 763,407.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383,580.92 : 1,909,348.72 = 763,407.52 : x
2. Step 2: Convert to fraction form
   1,383,580.92/1,909,348.72 = 763,407.52/x
3. Step 3: Cross multiply
   1,383,580.92x = 1,909,348.72 × 763,407.52
4. Step 4: Simplify right side
   1,383,580.92x = 1,457,611,171,150.37
5. Step 5: Solve for x
   x = 1,457,611,171,150.37/1,383,580.92
6. Step 6: Final answer
   x = 1,053,506.27