Finding the Fourth Proportional to 1,359,235.89, 1,872,981.63 and 1,051,443.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,235.89 : 1,872,981.63 = 1,051,443.18 : x
2. Step 2: Convert to fraction form
   1,359,235.89/1,872,981.63 = 1,051,443.18/x
3. Step 3: Cross multiply
   1,359,235.89x = 1,872,981.63 × 1,051,443.18
4. Step 4: Simplify right side
   1,359,235.89x = 1,969,333,761,128.78
5. Step 5: Solve for x
   x = 1,969,333,761,128.78/1,359,235.89
6. Step 6: Final answer
   x = 1,448,853.56