Finding the Fourth Proportional to 22,470,139.40, 31,008,662.47 and 12,156,641.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,470,139.40 : 31,008,662.47 = 12,156,641.06 : x
2. Step 2: Convert to fraction form
   22,470,139.40/31,008,662.47 = 12,156,641.06/x
3. Step 3: Cross multiply
   22,470,139.40x = 31,008,662.47 × 12,156,641.06
4. Step 4: Simplify right side
   22,470,139.40x = 376,961,179,398,483
5. Step 5: Solve for x
   x = 376,961,179,398,483/22,470,139.40
6. Step 6: Final answer
   x = 16,776,094.38