Finding the Fourth Proportional to 22,510,043.17, 31,064,212.25 and 13,217,818.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,510,043.17 : 31,064,212.25 = 13,217,818.71 : x
2. Step 2: Convert to fraction form
   22,510,043.17/31,064,212.25 = 13,217,818.71/x
3. Step 3: Cross multiply
   22,510,043.17x = 31,064,212.25 × 13,217,818.71
4. Step 4: Simplify right side
   22,510,043.17x = 410,601,125,922,505.81
5. Step 5: Solve for x
   x = 410,601,125,922,505.81/22,510,043.17
6. Step 6: Final answer
   x = 18,240,796.91