Finding the Fourth Proportional to 2,160,189.32, 2,978,828.60 and 1,855,275.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,189.32 : 2,978,828.60 = 1,855,275.35 : x
2. Step 2: Convert to fraction form
   2,160,189.32/2,978,828.60 = 1,855,275.35/x
3. Step 3: Cross multiply
   2,160,189.32x = 2,978,828.60 × 1,855,275.35
4. Step 4: Simplify right side
   2,160,189.32x = 5,526,547,249,284.49
5. Step 5: Solve for x
   x = 5,526,547,249,284.49/2,160,189.32
6. Step 6: Final answer
   x = 2,558,362.46