Finding the Fourth Proportional to 2,558,300.47, 3,530,436.33 and 1,396,746.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,300.47 : 3,530,436.33 = 1,396,746.70 : x
2. Step 2: Convert to fraction form
   2,558,300.47/3,530,436.33 = 1,396,746.70/x
3. Step 3: Cross multiply
   2,558,300.47x = 3,530,436.33 × 1,396,746.70
4. Step 4: Simplify right side
   2,558,300.47x = 4,931,125,293,487.61
5. Step 5: Solve for x
   x = 4,931,125,293,487.61/2,558,300.47
6. Step 6: Final answer
   x = 1,927,500.44