Finding the Fourth Proportional to 1,007,795.94, 1,390,758.33 and 555,086.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,795.94 : 1,390,758.33 = 555,086.94 : x
2. Step 2: Convert to fraction form
   1,007,795.94/1,390,758.33 = 555,086.94/x
3. Step 3: Cross multiply
   1,007,795.94x = 1,390,758.33 × 555,086.94
4. Step 4: Simplify right side
   1,007,795.94x = 771,991,785,679.21
5. Step 5: Solve for x
   x = 771,991,785,679.21/1,007,795.94
6. Step 6: Final answer
   x = 766,019.94