Finding the Fourth Proportional to 2,112,398.94, 2,915,111.22 and 1,145,528.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,398.94 : 2,915,111.22 = 1,145,528.94 : x
2. Step 2: Convert to fraction form
   2,112,398.94/2,915,111.22 = 1,145,528.94/x
3. Step 3: Cross multiply
   2,112,398.94x = 2,915,111.22 × 1,145,528.94
4. Step 4: Simplify right side
   2,112,398.94x = 3,339,344,265,828.71
5. Step 5: Solve for x
   x = 3,339,344,265,828.71/2,112,398.94
6. Step 6: Final answer
   x = 1,580,830.31