Finding the Fourth Proportional to 2,116,976.64, 2,921,216.91 and 1,199,022.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,976.64 : 2,921,216.91 = 1,199,022.63 : x
2. Step 2: Convert to fraction form
   2,116,976.64/2,921,216.91 = 1,199,022.63/x
3. Step 3: Cross multiply
   2,116,976.64x = 2,921,216.91 × 1,199,022.63
4. Step 4: Simplify right side
   2,116,976.64x = 3,502,605,161,627.48
5. Step 5: Solve for x
   x = 3,502,605,161,627.48/2,116,976.64
6. Step 6: Final answer
   x = 1,654,531.80