Finding the Fourth Proportional to 2,113,478.86, 2,916,606.42 and 1,146,609.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,478.86 : 2,916,606.42 = 1,146,609.12 : x
2. Step 2: Convert to fraction form
   2,113,478.86/2,916,606.42 = 1,146,609.12/x
3. Step 3: Cross multiply
   2,113,478.86x = 2,916,606.42 × 1,146,609.12
4. Step 4: Simplify right side
   2,113,478.86x = 3,344,207,520,622.55
5. Step 5: Solve for x
   x = 3,344,207,520,622.55/2,113,478.86
6. Step 6: Final answer
   x = 1,582,323.62