Finding the Fourth Proportional to 5,328,117.72, 7,352,788.63 and 2,973,290.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,328,117.72 : 7,352,788.63 = 2,973,290.78 : x
2. Step 2: Convert to fraction form
   5,328,117.72/7,352,788.63 = 2,973,290.78/x
3. Step 3: Cross multiply
   5,328,117.72x = 7,352,788.63 × 2,973,290.78
4. Step 4: Simplify right side
   5,328,117.72x = 21,861,978,640,867.83
5. Step 5: Solve for x
   x = 21,861,978,640,867.83/5,328,117.72
6. Step 6: Final answer
   x = 4,103,133.56