Finding the Fourth Proportional to 1,870,866.72, 2,581,795.42 and 1,011,426.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,866.72 : 2,581,795.42 = 1,011,426.75 : x
2. Step 2: Convert to fraction form
   1,870,866.72/2,581,795.42 = 1,011,426.75/x
3. Step 3: Cross multiply
   1,870,866.72x = 2,581,795.42 × 1,011,426.75
4. Step 4: Simplify right side
   1,870,866.72x = 2,611,296,948,286.92
5. Step 5: Solve for x
   x = 2,611,296,948,286.92/1,870,866.72
6. Step 6: Final answer
   x = 1,395,768.56