Finding the Fourth Proportional to 1,571,042.46, 2,168,040.42 and 891,978.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,571,042.46 : 2,168,040.42 = 891,978.96 : x
2. Step 2: Convert to fraction form
   1,571,042.46/2,168,040.42 = 891,978.96/x
3. Step 3: Cross multiply
   1,571,042.46x = 2,168,040.42 × 891,978.96
4. Step 4: Simplify right side
   1,571,042.46x = 1,933,846,439,069.56
5. Step 5: Solve for x
   x = 1,933,846,439,069.56/1,571,042.46
6. Step 6: Final answer
   x = 1,230,932.00