Finding the Fourth Proportional to 2,740,665.71, 4,110,975.81 and 2,142,129.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740,665.71 : 4,110,975.81 = 2,142,129.98 : x
2. Step 2: Convert to fraction form
   2,740,665.71/4,110,975.81 = 2,142,129.98/x
3. Step 3: Cross multiply
   2,740,665.71x = 4,110,975.81 × 2,142,129.98
4. Step 4: Simplify right side
   2,740,665.71x = 8,806,244,509,100.90
5. Step 5: Solve for x
   x = 8,806,244,509,100.90/2,740,665.71
6. Step 6: Final answer
   x = 3,213,177.18