Finding the Fourth Proportional to 2,111,920.14, 3,168,196.34 and 764,398.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,920.14 : 3,168,196.34 = 764,398.02 : x
2. Step 2: Convert to fraction form
   2,111,920.14/3,168,196.34 = 764,398.02/x
3. Step 3: Cross multiply
   2,111,920.14x = 3,168,196.34 × 764,398.02
4. Step 4: Simplify right side
   2,111,920.14x = 2,421,763,005,445.26
5. Step 5: Solve for x
   x = 2,421,763,005,445.26/2,111,920.14
6. Step 6: Final answer
   x = 1,146,711.45