Finding the Fourth Proportional to 787,667.70, 1,181,501.55 and 366,986.10

Step by Step Solution

1. Step 1: Write the proportion equation
   787,667.70 : 1,181,501.55 = 366,986.10 : x
2. Step 2: Convert to fraction form
   787,667.70/1,181,501.55 = 366,986.10/x
3. Step 3: Cross multiply
   787,667.70x = 1,181,501.55 × 366,986.10
4. Step 4: Simplify right side
   787,667.70x = 433,594,645,978.46
5. Step 5: Solve for x
   x = 433,594,645,978.46/787,667.70
6. Step 6: Final answer
   x = 550,479.15