Finding the Fourth Proportional to 1,989,123.40, 2,744,894.82 and 1,129,570.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989,123.40 : 2,744,894.82 = 1,129,570.12 : x
2. Step 2: Convert to fraction form
   1,989,123.40/2,744,894.82 = 1,129,570.12/x
3. Step 3: Cross multiply
   1,989,123.40x = 2,744,894.82 × 1,129,570.12
4. Step 4: Simplify right side
   1,989,123.40x = 3,100,551,171,214.78
5. Step 5: Solve for x
   x = 3,100,551,171,214.78/1,989,123.40
6. Step 6: Final answer
   x = 1,558,752.55