Finding the Fourth Proportional to 2,072,288.52, 3,108,607.70 and 576,380.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072,288.52 : 3,108,607.70 = 576,380.52 : x
2. Step 2: Convert to fraction form
   2,072,288.52/3,108,607.70 = 576,380.52/x
3. Step 3: Cross multiply
   2,072,288.52x = 3,108,607.70 × 576,380.52
4. Step 4: Simplify right side
   2,072,288.52x = 1,791,740,922,602.00
5. Step 5: Solve for x
   x = 1,791,740,922,602.00/2,072,288.52
6. Step 6: Final answer
   x = 864,619.43