Finding the Fourth Proportional to 2,116,499.21, 3,174,742.73 and 768,656.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,499.21 : 3,174,742.73 = 768,656.37 : x
2. Step 2: Convert to fraction form
   2,116,499.21/3,174,742.73 = 768,656.37/x
3. Step 3: Cross multiply
   2,116,499.21x = 3,174,742.73 × 768,656.37
4. Step 4: Simplify right side
   2,116,499.21x = 2,440,286,222,525.69
5. Step 5: Solve for x
   x = 2,440,286,222,525.69/2,116,499.21
6. Step 6: Final answer
   x = 1,152,982.35