Finding the Fourth Proportional to 2,160,818.31, 3,241,579.22 and 1,009,216.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,818.31 : 3,241,579.22 = 1,009,216.47 : x
2. Step 2: Convert to fraction form
   2,160,818.31/3,241,579.22 = 1,009,216.47/x
3. Step 3: Cross multiply
   2,160,818.31x = 3,241,579.22 × 1,009,216.47
4. Step 4: Simplify right side
   2,160,818.31x = 3,271,455,137,633.75
5. Step 5: Solve for x
   x = 3,271,455,137,633.75/2,160,818.31
6. Step 6: Final answer
   x = 1,513,988.99