Finding the Fourth Proportional to 942,449.98, 1,300,848.39 and 555,490.30

Step by Step Solution

1. Step 1: Write the proportion equation
   942,449.98 : 1,300,848.39 = 555,490.30 : x
2. Step 2: Convert to fraction form
   942,449.98/1,300,848.39 = 555,490.30/x
3. Step 3: Cross multiply
   942,449.98x = 1,300,848.39 × 555,490.30
4. Step 4: Simplify right side
   942,449.98x = 722,608,662,415.62
5. Step 5: Solve for x
   x = 722,608,662,415.62/942,449.98
6. Step 6: Final answer
   x = 766,734.23