Finding the Fourth Proportional to 942,448, 1,300,845.64 and 555,488.32

Step by Step Solution

1. Step 1: Write the proportion equation
   942,448 : 1,300,845.64 = 555,488.32 : x
2. Step 2: Convert to fraction form
   942,448/1,300,845.64 = 555,488.32/x
3. Step 3: Cross multiply
   942,448x = 1,300,845.64 × 555,488.32
4. Step 4: Simplify right side
   942,448x = 722,604,559,142.93
5. Step 5: Solve for x
   x = 722,604,559,142.93/942,448
6. Step 6: Final answer
   x = 766,731.49