Finding the Fourth Proportional to 2,155,945.60, 2,973,315.36 and 1,726,068.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,945.60 : 2,973,315.36 = 1,726,068.88 : x
2. Step 2: Convert to fraction form
   2,155,945.60/2,973,315.36 = 1,726,068.88/x
3. Step 3: Cross multiply
   2,155,945.60x = 2,973,315.36 × 1,726,068.88
4. Step 4: Simplify right side
   2,155,945.60x = 5,132,147,113,322.00
5. Step 5: Solve for x
   x = 5,132,147,113,322.00/2,155,945.60
6. Step 6: Final answer
   x = 2,380,462.25