Finding the Fourth Proportional to 3,866,111.82, 5,799,881.07 and 1,272,563.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866,111.82 : 5,799,881.07 = 1,272,563.10 : x
2. Step 2: Convert to fraction form
   3,866,111.82/5,799,881.07 = 1,272,563.10/x
3. Step 3: Cross multiply
   3,866,111.82x = 5,799,881.07 × 1,272,563.10
4. Step 4: Simplify right side
   3,866,111.82x = 7,380,714,634,070.52
5. Step 5: Solve for x
   x = 7,380,714,634,070.52/3,866,111.82
6. Step 6: Final answer
   x = 1,909,079.45