Finding the Fourth Proportional to 1,871,152.76, 2,581,601.37 and 1,145,243.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871,152.76 : 2,581,601.37 = 1,145,243.72 : x
2. Step 2: Convert to fraction form
   1,871,152.76/2,581,601.37 = 1,145,243.72/x
3. Step 3: Cross multiply
   1,871,152.76x = 2,581,601.37 × 1,145,243.72
4. Step 4: Simplify right side
   1,871,152.76x = 2,956,562,737,901.67
5. Step 5: Solve for x
   x = 2,956,562,737,901.67/1,871,152.76
6. Step 6: Final answer
   x = 1,580,075.56