Finding the Fourth Proportional to 2,154,015.72, 2,972,426.22 and 1,186,953.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,015.72 : 2,972,426.22 = 1,186,953.48 : x
2. Step 2: Convert to fraction form
   2,154,015.72/2,972,426.22 = 1,186,953.48/x
3. Step 3: Cross multiply
   2,154,015.72x = 2,972,426.22 × 1,186,953.48
4. Step 4: Simplify right side
   2,154,015.72x = 3,528,131,645,872.25
5. Step 5: Solve for x
   x = 3,528,131,645,872.25/2,154,015.72
6. Step 6: Final answer
   x = 1,637,932.17