Finding the Fourth Proportional to 2,091,964.16, 2,886,789.12 and 1,174,108.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,964.16 : 2,886,789.12 = 1,174,108.16 : x
2. Step 2: Convert to fraction form
   2,091,964.16/2,886,789.12 = 1,174,108.16/x
3. Step 3: Cross multiply
   2,091,964.16x = 2,886,789.12 × 1,174,108.16
4. Step 4: Simplify right side
   2,091,964.16x = 3,389,402,661,991.22
5. Step 5: Solve for x
   x = 3,389,402,661,991.22/2,091,964.16
6. Step 6: Final answer
   x = 1,620,201.11