Finding the Fourth Proportional to 7,528,674.69, 10,389,636.81 and 4,090,915.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,528,674.69 : 10,389,636.81 = 4,090,915.62 : x
2. Step 2: Convert to fraction form
   7,528,674.69/10,389,636.81 = 4,090,915.62/x
3. Step 3: Cross multiply
   7,528,674.69x = 10,389,636.81 × 4,090,915.62
4. Step 4: Simplify right side
   7,528,674.69x = 42,503,127,512,155.98
5. Step 5: Solve for x
   x = 42,503,127,512,155.98/7,528,674.69
6. Step 6: Final answer
   x = 5,645,499.28