Finding the Fourth Proportional to 22,565,973, 31,141,042.74 and 12,908,181

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565,973 : 31,141,042.74 = 12,908,181 : x
2. Step 2: Convert to fraction form
   22,565,973/31,141,042.74 = 12,908,181/x
3. Step 3: Cross multiply
   22,565,973x = 31,141,042.74 × 12,908,181
4. Step 4: Simplify right side
   22,565,973x = 401,974,216,216,655.94
5. Step 5: Solve for x
   x = 401,974,216,216,655.94/22,565,973
6. Step 6: Final answer
   x = 17,813,289.78