Finding the Fourth Proportional to 2,146,664.81, 3,219,980.81 and 549,225.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,664.81 : 3,219,980.81 = 549,225.34 : x
2. Step 2: Convert to fraction form
   2,146,664.81/3,219,980.81 = 549,225.34/x
3. Step 3: Cross multiply
   2,146,664.81x = 3,219,980.81 × 549,225.34
4. Step 4: Simplify right side
   2,146,664.81x = 1,768,495,055,165.73
5. Step 5: Solve for x
   x = 1,768,495,055,165.73/2,146,664.81
6. Step 6: Final answer
   x = 823,833.81