Finding the Fourth Proportional to 1,525,375.05, 2,105,011.76 and 837,058.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525,375.05 : 2,105,011.76 = 837,058.31 : x
2. Step 2: Convert to fraction form
   1,525,375.05/2,105,011.76 = 837,058.31/x
3. Step 3: Cross multiply
   1,525,375.05x = 2,105,011.76 × 837,058.31
4. Step 4: Simplify right side
   1,525,375.05x = 1,762,017,586,355.73
5. Step 5: Solve for x
   x = 1,762,017,586,355.73/1,525,375.05
6. Step 6: Final answer
   x = 1,155,137.28