Finding the Fourth Proportional to 1,920,276.16, 2,649,934.56 and 1,060,918.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920,276.16 : 2,649,934.56 = 1,060,918.72 : x
2. Step 2: Convert to fraction form
   1,920,276.16/2,649,934.56 = 1,060,918.72/x
3. Step 3: Cross multiply
   1,920,276.16x = 2,649,934.56 × 1,060,918.72
4. Step 4: Simplify right side
   1,920,276.16x = 2,811,365,181,478.96
5. Step 5: Solve for x
   x = 2,811,365,181,478.96/1,920,276.16
6. Step 6: Final answer
   x = 1,464,042.12