Finding the Fourth Proportional to 1,191,101.45, 1,643,586.56 and 674,744.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,101.45 : 1,643,586.56 = 674,744.72 : x
2. Step 2: Convert to fraction form
   1,191,101.45/1,643,586.56 = 674,744.72/x
3. Step 3: Cross multiply
   1,191,101.45x = 1,643,586.56 × 674,744.72
4. Step 4: Simplify right side
   1,191,101.45x = 1,109,001,359,018.79
5. Step 5: Solve for x
   x = 1,109,001,359,018.79/1,191,101.45
6. Step 6: Final answer
   x = 931,072.13