Finding the Fourth Proportional to 22,664,884, 31,277,540.56 and 12,490,420

Step by Step Solution

1. Step 1: Write the proportion equation
   22,664,884 : 31,277,540.56 = 12,490,420 : x
2. Step 2: Convert to fraction form
   22,664,884/31,277,540.56 = 12,490,420/x
3. Step 3: Cross multiply
   22,664,884x = 31,277,540.56 × 12,490,420
4. Step 4: Simplify right side
   22,664,884x = 390,669,618,161,435.19
5. Step 5: Solve for x
   x = 390,669,618,161,435.19/22,664,884
6. Step 6: Final answer
   x = 17,236,779.95