Finding the Fourth Proportional to 1,855,300.90, 2,560,270.58 and 1,039,538.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855,300.90 : 2,560,270.58 = 1,039,538.96 : x
2. Step 2: Convert to fraction form
   1,855,300.90/2,560,270.58 = 1,039,538.96/x
3. Step 3: Cross multiply
   1,855,300.90x = 2,560,270.58 × 1,039,538.96
4. Step 4: Simplify right side
   1,855,300.90x = 2,661,501,025,953.56
5. Step 5: Solve for x
   x = 2,661,501,025,953.56/1,855,300.90
6. Step 6: Final answer
   x = 1,434,538.75