Finding the Fourth Proportional to 21,094,938.72, 31,643,626.14 and 8,141,156.62

Step by Step Solution

1. Step 1: Write the proportion equation
   21,094,938.72 : 31,643,626.14 = 8,141,156.62 : x
2. Step 2: Convert to fraction form
   21,094,938.72/31,643,626.14 = 8,141,156.62/x
3. Step 3: Cross multiply
   21,094,938.72x = 31,643,626.14 × 8,141,156.62
4. Step 4: Simplify right side
   21,094,938.72x = 257,615,716,430,466.06
5. Step 5: Solve for x
   x = 257,615,716,430,466.06/21,094,938.72
6. Step 6: Final answer
   x = 12,212,205.02