Finding the Fourth Proportional to 22,565,971, 31,141,039.98 and 12,908,179

Step by Step Solution

1. Step 1: Write the proportion equation
   22,565,971 : 31,141,039.98 = 12,908,179 : x
2. Step 2: Convert to fraction form
   22,565,971/31,141,039.98 = 12,908,179/x
3. Step 3: Cross multiply
   22,565,971x = 31,141,039.98 × 12,908,179
4. Step 4: Simplify right side
   22,565,971x = 401,974,118,307,996.44
5. Step 5: Solve for x
   x = 401,974,118,307,996.44/22,565,971
6. Step 6: Final answer
   x = 17,813,287.02