Finding the Fourth Proportional to 1,536,483.02, 2,120,348.31 and 857,419.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536,483.02 : 2,120,348.31 = 857,419.34 : x
2. Step 2: Convert to fraction form
   1,536,483.02/2,120,348.31 = 857,419.34/x
3. Step 3: Cross multiply
   1,536,483.02x = 2,120,348.31 × 857,419.34
4. Step 4: Simplify right side
   1,536,483.02x = 1,818,027,648,530.32
5. Step 5: Solve for x
   x = 1,818,027,648,530.32/1,536,483.02
6. Step 6: Final answer
   x = 1,183,239.66