Finding the Fourth Proportional to 1,856,861.96, 2,785,501.05 and 1,666,150.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856,861.96 : 2,785,501.05 = 1,666,150.09 : x
2. Step 2: Convert to fraction form
   1,856,861.96/2,785,501.05 = 1,666,150.09/x
3. Step 3: Cross multiply
   1,856,861.96x = 2,785,501.05 × 1,666,150.09
4. Step 4: Simplify right side
   1,856,861.96x = 4,641,062,825,152.60
5. Step 5: Solve for x
   x = 4,641,062,825,152.60/1,856,861.96
6. Step 6: Final answer
   x = 2,499,411.87