Finding the Fourth Proportional to 3,451,792.94, 4,761,499.05 and 2,160,391.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,792.94 : 4,761,499.05 = 2,160,391.31 : x
2. Step 2: Convert to fraction form
   3,451,792.94/4,761,499.05 = 2,160,391.31/x
3. Step 3: Cross multiply
   3,451,792.94x = 4,761,499.05 × 2,160,391.31
4. Step 4: Simplify right side
   3,451,792.94x = 10,286,701,146,385.76
5. Step 5: Solve for x
   x = 10,286,701,146,385.76/3,451,792.94
6. Step 6: Final answer
   x = 2,980,103.77