Finding the Fourth Proportional to 1,560,142.94, 2,152,986.55 and 871,816.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560,142.94 : 2,152,986.55 = 871,816.48 : x
2. Step 2: Convert to fraction form
   1,560,142.94/2,152,986.55 = 871,816.48/x
3. Step 3: Cross multiply
   1,560,142.94x = 2,152,986.55 × 871,816.48
4. Step 4: Simplify right side
   1,560,142.94x = 1,877,009,147,946.34
5. Step 5: Solve for x
   x = 1,877,009,147,946.34/1,560,142.94
6. Step 6: Final answer
   x = 1,203,100.76