Finding the Fourth Proportional to 2,547,345.20, 3,821,056.68 and 654,044.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547,345.20 : 3,821,056.68 = 654,044.72 : x
2. Step 2: Convert to fraction form
   2,547,345.20/3,821,056.68 = 654,044.72/x
3. Step 3: Cross multiply
   2,547,345.20x = 3,821,056.68 × 654,044.72
4. Step 4: Simplify right side
   2,547,345.20x = 2,499,141,927,269.45
5. Step 5: Solve for x
   x = 2,499,141,927,269.45/2,547,345.20
6. Step 6: Final answer
   x = 981,077.06