Finding the Fourth Proportional to 1,105,741.86, 1,525,555.55 and 901,440.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,741.86 : 1,525,555.55 = 901,440.53 : x
2. Step 2: Convert to fraction form
   1,105,741.86/1,525,555.55 = 901,440.53/x
3. Step 3: Cross multiply
   1,105,741.86x = 1,525,555.55 × 901,440.53
4. Step 4: Simplify right side
   1,105,741.86x = 1,375,197,591,401.46
5. Step 5: Solve for x
   x = 1,375,197,591,401.46/1,105,741.86
6. Step 6: Final answer
   x = 1,243,687.74