Finding the Fourth Proportional to 2,112,388.37, 2,915,097.48 and 1,145,518.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,388.37 : 2,915,097.48 = 1,145,518.41 : x
2. Step 2: Convert to fraction form
   2,112,388.37/2,915,097.48 = 1,145,518.41/x
3. Step 3: Cross multiply
   2,112,388.37x = 2,915,097.48 × 1,145,518.41
4. Step 4: Simplify right side
   2,112,388.37x = 3,339,297,830,284.61
5. Step 5: Solve for x
   x = 3,339,297,830,284.61/2,112,388.37
6. Step 6: Final answer
   x = 1,580,816.24