Finding the Fourth Proportional to 1,007,806.94, 1,390,773.50 and 555,097.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,806.94 : 1,390,773.50 = 555,097.94 : x
2. Step 2: Convert to fraction form
   1,007,806.94/1,390,773.50 = 555,097.94/x
3. Step 3: Cross multiply
   1,007,806.94x = 1,390,773.50 × 555,097.94
4. Step 4: Simplify right side
   1,007,806.94x = 772,015,504,856.59
5. Step 5: Solve for x
   x = 772,015,504,856.59/1,007,806.94
6. Step 6: Final answer
   x = 766,035.11