Finding the Fourth Proportional to 7,925.71, 10,926.21 and 5,404.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,925.71 : 10,926.21 = 5,404.59 : x
2. Step 2: Convert to fraction form
   7,925.71/10,926.21 = 5,404.59/x
3. Step 3: Cross multiply
   7,925.71x = 10,926.21 × 5,404.59
4. Step 4: Simplify right side
   7,925.71x = 59,051,685.30
5. Step 5: Solve for x
   x = 59,051,685.30/7,925.71
6. Step 6: Final answer
   x = 7,450.65