Finding the Fourth Proportional to 2,119,505.58, 3,179,259.18 and 522,099.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119,505.58 : 3,179,259.18 = 522,099.72 : x
2. Step 2: Convert to fraction form
   2,119,505.58/3,179,259.18 = 522,099.72/x
3. Step 3: Cross multiply
   2,119,505.58x = 3,179,259.18 × 522,099.72
4. Step 4: Simplify right side
   2,119,505.58x = 1,659,890,327,685.43
5. Step 5: Solve for x
   x = 1,659,890,327,685.43/2,119,505.58
6. Step 6: Final answer
   x = 783,149.78