Finding the Fourth Proportional to 7,528,685.89, 10,389,648.80 and 4,090,926.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,528,685.89 : 10,389,648.80 = 4,090,926.92 : x
2. Step 2: Convert to fraction form
   7,528,685.89/10,389,648.80 = 4,090,926.92/x
3. Step 3: Cross multiply
   7,528,685.89x = 10,389,648.80 × 4,090,926.92
4. Step 4: Simplify right side
   7,528,685.89x = 42,503,293,981,986.54
5. Step 5: Solve for x
   x = 42,503,293,981,986.54/7,528,685.89
6. Step 6: Final answer
   x = 5,645,512.99