Finding the Fourth Proportional to 2,146,345.74, 2,961,311.22 and 1,286,592.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,345.74 : 2,961,311.22 = 1,286,592.30 : x
2. Step 2: Convert to fraction form
   2,146,345.74/2,961,311.22 = 1,286,592.30/x
3. Step 3: Cross multiply
   2,146,345.74x = 2,961,311.22 × 1,286,592.30
4. Step 4: Simplify right side
   2,146,345.74x = 3,810,000,213,555.61
5. Step 5: Solve for x
   x = 3,810,000,213,555.61/2,146,345.74
6. Step 6: Final answer
   x = 1,775,110.20