Finding the Fourth Proportional to 2,783,667.12, 4,174,245.88 and 986,141.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783,667.12 : 4,174,245.88 = 986,141.76 : x
2. Step 2: Convert to fraction form
   2,783,667.12/4,174,245.88 = 986,141.76/x
3. Step 3: Cross multiply
   2,783,667.12x = 4,174,245.88 × 986,141.76
4. Step 4: Simplify right side
   2,783,667.12x = 4,116,398,178,775.95
5. Step 5: Solve for x
   x = 4,116,398,178,775.95/2,783,667.12
6. Step 6: Final answer
   x = 1,478,768.11