Finding the Fourth Proportional to 22,573,256.38, 31,151,253.22 and 12,259,979.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,573,256.38 : 31,151,253.22 = 12,259,979.47 : x
2. Step 2: Convert to fraction form
   22,573,256.38/31,151,253.22 = 12,259,979.47/x
3. Step 3: Cross multiply
   22,573,256.38x = 31,151,253.22 × 12,259,979.47
4. Step 4: Simplify right side
   22,573,256.38x = 381,913,724,941,971.38
5. Step 5: Solve for x
   x = 381,913,724,941,971.38/22,573,256.38
6. Step 6: Final answer
   x = 16,918,858.25