Finding the Fourth Proportional to 2,947,120.86, 4,065,538.02 and 1,722,626.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,120.86 : 4,065,538.02 = 1,722,626.28 : x
2. Step 2: Convert to fraction form
   2,947,120.86/4,065,538.02 = 1,722,626.28/x
3. Step 3: Cross multiply
   2,947,120.86x = 4,065,538.02 × 1,722,626.28
4. Step 4: Simplify right side
   2,947,120.86x = 7,003,402,635,591.17
5. Step 5: Solve for x
   x = 7,003,402,635,591.17/2,947,120.86
6. Step 6: Final answer
   x = 2,376,354.06