Finding the Fourth Proportional to 22,772,298.57, 31,426,225.71 and 12,459,243.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,772,298.57 : 31,426,225.71 = 12,459,243.09 : x
2. Step 2: Convert to fraction form
   22,772,298.57/31,426,225.71 = 12,459,243.09/x
3. Step 3: Cross multiply
   22,772,298.57x = 31,426,225.71 × 12,459,243.09
4. Step 4: Simplify right side
   22,772,298.57x = 391,546,985,522,097.88
5. Step 5: Solve for x
   x = 391,546,985,522,097.88/22,772,298.57
6. Step 6: Final answer
   x = 17,194,003.68