Finding the Fourth Proportional to 2,111,471.72, 3,167,650.44 and 913,564.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,471.72 : 3,167,650.44 = 913,564.32 : x
2. Step 2: Convert to fraction form
   2,111,471.72/3,167,650.44 = 913,564.32/x
3. Step 3: Cross multiply
   2,111,471.72x = 3,167,650.44 × 913,564.32
4. Step 4: Simplify right side
   2,111,471.72x = 2,893,852,420,216.30
5. Step 5: Solve for x
   x = 2,893,852,420,216.30/2,111,471.72
6. Step 6: Final answer
   x = 1,370,538.09