Finding the Fourth Proportional to 1,007,814.94, 1,390,784.35 and 555,105.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,814.94 : 1,390,784.35 = 555,105.94 : x
2. Step 2: Convert to fraction form
   1,007,814.94/1,390,784.35 = 555,105.94/x
3. Step 3: Cross multiply
   1,007,814.94x = 1,390,784.35 × 555,105.94
4. Step 4: Simplify right side
   1,007,814.94x = 772,032,644,214.59
5. Step 5: Solve for x
   x = 772,032,644,214.59/1,007,814.94
6. Step 6: Final answer
   x = 766,046.04