Finding the Fourth Proportional to 1,288,308.72, 1,923,787.50 and 1,052,119.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,308.72 : 1,923,787.50 = 1,052,119.92 : x
2. Step 2: Convert to fraction form
   1,288,308.72/1,923,787.50 = 1,052,119.92/x
3. Step 3: Cross multiply
   1,288,308.72x = 1,923,787.50 × 1,052,119.92
4. Step 4: Simplify right side
   1,288,308.72x = 2,024,055,150,597.00
5. Step 5: Solve for x
   x = 2,024,055,150,597.00/1,288,308.72
6. Step 6: Final answer
   x = 1,571,094.82