Finding the Fourth Proportional to 4,156,788.71, 5,739,067.61 and 3,720,450.43

Step by Step Solution

1. Step 1: Write the proportion equation
   4,156,788.71 : 5,739,067.61 = 3,720,450.43 : x
2. Step 2: Convert to fraction form
   4,156,788.71/5,739,067.61 = 3,720,450.43/x
3. Step 3: Cross multiply
   4,156,788.71x = 5,739,067.61 × 3,720,450.43
4. Step 4: Simplify right side
   4,156,788.71x = 21,351,916,570,632.60
5. Step 5: Solve for x
   x = 21,351,916,570,632.60/4,156,788.71
6. Step 6: Final answer
   x = 5,136,637.45