Finding the Fourth Proportional to 2,069,858.90, 2,856,460.78 and 1,139,594.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069,858.90 : 2,856,460.78 = 1,139,594.95 : x
2. Step 2: Convert to fraction form
   2,069,858.90/2,856,460.78 = 1,139,594.95/x
3. Step 3: Cross multiply
   2,069,858.90x = 2,856,460.78 × 1,139,594.95
4. Step 4: Simplify right side
   2,069,858.90x = 3,255,208,288,788.54
5. Step 5: Solve for x
   x = 3,255,208,288,788.54/2,069,858.90
6. Step 6: Final answer
   x = 1,572,671.59