Finding the Fourth Proportional to 2,112,391.42, 2,915,100.84 and 1,145,521.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,391.42 : 2,915,100.84 = 1,145,521.42 : x
2. Step 2: Convert to fraction form
   2,112,391.42/2,915,100.84 = 1,145,521.42/x
3. Step 3: Cross multiply
   2,112,391.42x = 2,915,100.84 × 1,145,521.42
4. Step 4: Simplify right side
   2,112,391.42x = 3,339,310,453,679.99
5. Step 5: Solve for x
   x = 3,339,310,453,679.99/2,112,391.42
6. Step 6: Final answer
   x = 1,580,819.93