Finding the Fourth Proportional to 2,151,528.42, 2,969,116.25 and 1,171,479.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151,528.42 : 2,969,116.25 = 1,171,479.05 : x
2. Step 2: Convert to fraction form
   2,151,528.42/2,969,116.25 = 1,171,479.05/x
3. Step 3: Cross multiply
   2,151,528.42x = 2,969,116.25 × 1,171,479.05
4. Step 4: Simplify right side
   2,151,528.42x = 3,478,257,463,186.59
5. Step 5: Solve for x
   x = 3,478,257,463,186.59/2,151,528.42
6. Step 6: Final answer
   x = 1,616,644.91