Finding the Fourth Proportional to 3,478,168.72, 4,799,868.42 and 1,929,665.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478,168.72 : 4,799,868.42 = 1,929,665.32 : x
2. Step 2: Convert to fraction form
   3,478,168.72/4,799,868.42 = 1,929,665.32/x
3. Step 3: Cross multiply
   3,478,168.72x = 4,799,868.42 × 1,929,665.32
4. Step 4: Simplify right side
   3,478,168.72x = 9,262,139,630,637.20
5. Step 5: Solve for x
   x = 9,262,139,630,637.20/3,478,168.72
6. Step 6: Final answer
   x = 2,662,935.69