Finding the Fourth Proportional to 2,112,365.61, 2,915,065.32 and 1,145,495.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,365.61 : 2,915,065.32 = 1,145,495.64 : x
2. Step 2: Convert to fraction form
   2,112,365.61/2,915,065.32 = 1,145,495.64/x
3. Step 3: Cross multiply
   2,112,365.61x = 2,915,065.32 × 1,145,495.64
4. Step 4: Simplify right side
   2,112,365.61x = 3,339,194,621,011.09
5. Step 5: Solve for x
   x = 3,339,194,621,011.09/2,112,365.61
6. Step 6: Final answer
   x = 1,580,784.41