Finding the Fourth Proportional to 3,389,123.91, 4,675,261.58 and 2,164,141.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389,123.91 : 4,675,261.58 = 2,164,141.47 : x
2. Step 2: Convert to fraction form
   3,389,123.91/4,675,261.58 = 2,164,141.47/x
3. Step 3: Cross multiply
   3,389,123.91x = 4,675,261.58 × 2,164,141.47
4. Step 4: Simplify right side
   3,389,123.91x = 10,117,927,470,054.07
5. Step 5: Solve for x
   x = 10,117,927,470,054.07/3,389,123.91
6. Step 6: Final answer
   x = 2,985,410.90