Finding the Fourth Proportional to 2,678,729.72, 3,696,686.79 and 1,455,059.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678,729.72 : 3,696,686.79 = 1,455,059.12 : x
2. Step 2: Convert to fraction form
   2,678,729.72/3,696,686.79 = 1,455,059.12/x
3. Step 3: Cross multiply
   2,678,729.72x = 3,696,686.79 × 1,455,059.12
4. Step 4: Simplify right side
   2,678,729.72x = 5,378,897,827,573.03
5. Step 5: Solve for x
   x = 5,378,897,827,573.03/2,678,729.72
6. Step 6: Final answer
   x = 2,008,003.19