Finding the Fourth Proportional to 1,870,367.48, 2,805,634.70 and 573,426.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,367.48 : 2,805,634.70 = 573,426.55 : x
2. Step 2: Convert to fraction form
   1,870,367.48/2,805,634.70 = 573,426.55/x
3. Step 3: Cross multiply
   1,870,367.48x = 2,805,634.70 × 573,426.55
4. Step 4: Simplify right side
   1,870,367.48x = 1,608,825,429,371.55
5. Step 5: Solve for x
   x = 1,608,825,429,371.55/1,870,367.48
6. Step 6: Final answer
   x = 860,165.42