Finding the Fourth Proportional to 18,585,613.10, 25,648,573.25 and 10,213,503.37

Step by Step Solution

1. Step 1: Write the proportion equation
   18,585,613.10 : 25,648,573.25 = 10,213,503.37 : x
2. Step 2: Convert to fraction form
   18,585,613.10/25,648,573.25 = 10,213,503.37/x
3. Step 3: Cross multiply
   18,585,613.10x = 25,648,573.25 × 10,213,503.37
4. Step 4: Simplify right side
   18,585,613.10x = 261,961,789,209,377.91
5. Step 5: Solve for x
   x = 261,961,789,209,377.91/18,585,613.10
6. Step 6: Final answer
   x = 14,094,869.39