Finding the Fourth Proportional to 22,426,830.78, 30,949,025.57 and 12,113,553.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,426,830.78 : 30,949,025.57 = 12,113,553.87 : x
2. Step 2: Convert to fraction form
   22,426,830.78/30,949,025.57 = 12,113,553.87/x
3. Step 3: Cross multiply
   22,426,830.78x = 30,949,025.57 × 12,113,553.87
4. Step 4: Simplify right side
   22,426,830.78x = 374,902,688,589,215.06
5. Step 5: Solve for x
   x = 374,902,688,589,215.06/22,426,830.78
6. Step 6: Final answer
   x = 16,716,703.86