Finding the Fourth Proportional to 2,112,396.69, 2,915,108.10 and 1,145,526.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,396.69 : 2,915,108.10 = 1,145,526.69 : x
2. Step 2: Convert to fraction form
   2,112,396.69/2,915,108.10 = 1,145,526.69/x
3. Step 3: Cross multiply
   2,112,396.69x = 2,915,108.10 × 1,145,526.69
4. Step 4: Simplify right side
   2,112,396.69x = 3,339,334,132,785.19
5. Step 5: Solve for x
   x = 3,339,334,132,785.19/2,112,396.69
6. Step 6: Final answer
   x = 1,580,827.19