Finding the Fourth Proportional to 2,111,409.78, 3,166,445.81 and 763,394.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,409.78 : 3,166,445.81 = 763,394.01 : x
2. Step 2: Convert to fraction form
   2,111,409.78/3,166,445.81 = 763,394.01/x
3. Step 3: Cross multiply
   2,111,409.78x = 3,166,445.81 × 763,394.01
4. Step 4: Simplify right side
   2,111,409.78x = 2,417,245,760,526.63
5. Step 5: Solve for x
   x = 2,417,245,760,526.63/2,111,409.78
6. Step 6: Final answer
   x = 1,144,849.18