Finding the Fourth Proportional to 22,421,697.31, 30,941,941.98 and 12,108,420.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,421,697.31 : 30,941,941.98 = 12,108,420.10 : x
2. Step 2: Convert to fraction form
   22,421,697.31/30,941,941.98 = 12,108,420.10/x
3. Step 3: Cross multiply
   22,421,697.31x = 30,941,941.98 × 12,108,420.10
4. Step 4: Simplify right side
   22,421,697.31x = 374,658,032,203,665.81
5. Step 5: Solve for x
   x = 374,658,032,203,665.81/22,421,697.31
6. Step 6: Final answer
   x = 16,709,619.57