Finding the Fourth Proportional to 1,580,171.93, 2,180,632.88 and 855,031.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580,171.93 : 2,180,632.88 = 855,031.98 : x
2. Step 2: Convert to fraction form
   1,580,171.93/2,180,632.88 = 855,031.98/x
3. Step 3: Cross multiply
   1,580,171.93x = 2,180,632.88 × 855,031.98
4. Step 4: Simplify right side
   1,580,171.93x = 1,864,510,849,039.50
5. Step 5: Solve for x
   x = 1,864,510,849,039.50/1,580,171.93
6. Step 6: Final answer
   x = 1,179,941.76