Finding the Fourth Proportional to 2,839,160.16, 3,918,384.72 and 1,615,763.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839,160.16 : 3,918,384.72 = 1,615,763.20 : x
2. Step 2: Convert to fraction form
   2,839,160.16/3,918,384.72 = 1,615,763.20/x
3. Step 3: Cross multiply
   2,839,160.16x = 3,918,384.72 × 1,615,763.20
4. Step 4: Simplify right side
   2,839,160.16x = 6,331,181,834,018.30
5. Step 5: Solve for x
   x = 6,331,181,834,018.30/2,839,160.16
6. Step 6: Final answer
   x = 2,229,948.81