Finding the Fourth Proportional to 1,009,314.67, 1,392,836.69 and 550,432.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,314.67 : 1,392,836.69 = 550,432.79 : x
2. Step 2: Convert to fraction form
   1,009,314.67/1,392,836.69 = 550,432.79/x
3. Step 3: Cross multiply
   1,009,314.67x = 1,392,836.69 × 550,432.79
4. Step 4: Simplify right side
   1,009,314.67x = 766,662,982,538.90
5. Step 5: Solve for x
   x = 766,662,982,538.90/1,009,314.67
6. Step 6: Final answer
   x = 759,587.68