Finding the Fourth Proportional to 2,113,399.16, 3,170,090.96 and 765,246.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,399.16 : 3,170,090.96 = 765,246.48 : x
2. Step 2: Convert to fraction form
   2,113,399.16/3,170,090.96 = 765,246.48/x
3. Step 3: Cross multiply
   2,113,399.16x = 3,170,090.96 × 765,246.48
4. Step 4: Simplify right side
   2,113,399.16x = 2,425,900,948,419.82
5. Step 5: Solve for x
   x = 2,425,900,948,419.82/2,113,399.16
6. Step 6: Final answer
   x = 1,147,866.90