Finding the Fourth Proportional to 2,318,072.93, 3,199,132.15 and 1,285,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318,072.93 : 3,199,132.15 = 1,285,913.50 : x
2. Step 2: Convert to fraction form
   2,318,072.93/3,199,132.15 = 1,285,913.50/x
3. Step 3: Cross multiply
   2,318,072.93x = 3,199,132.15 × 1,285,913.50
4. Step 4: Simplify right side
   2,318,072.93x = 4,113,807,219,022.27
5. Step 5: Solve for x
   x = 4,113,807,219,022.27/2,318,072.93
6. Step 6: Final answer
   x = 1,774,666.86