Finding the Fourth Proportional to 6,139,618.56, 9,205,490.16 and 2,547,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139,618.56 : 9,205,490.16 = 2,547,864.72 : x
2. Step 2: Convert to fraction form
   6,139,618.56/9,205,490.16 = 2,547,864.72/x
3. Step 3: Cross multiply
   6,139,618.56x = 9,205,490.16 × 2,547,864.72
4. Step 4: Simplify right side
   6,139,618.56x = 23,454,343,608,971.16
5. Step 5: Solve for x
   x = 23,454,343,608,971.16/6,139,618.56
6. Step 6: Final answer
   x = 3,820,162.99