Finding the Fourth Proportional to 2,142,965.36, 2,957,283.60 and 1,176,111.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,965.36 : 2,957,283.60 = 1,176,111.56 : x
2. Step 2: Convert to fraction form
   2,142,965.36/2,957,283.60 = 1,176,111.56/x
3. Step 3: Cross multiply
   2,142,965.36x = 2,957,283.60 × 1,176,111.56
4. Step 4: Simplify right side
   2,142,965.36x = 3,478,095,428,158.42
5. Step 5: Solve for x
   x = 3,478,095,428,158.42/2,142,965.36
6. Step 6: Final answer
   x = 1,623,029.23