Finding the Fourth Proportional to 20,282,137.39, 30,453,597.89 and 17,558,087.05

Step by Step Solution

1. Step 1: Write the proportion equation
   20,282,137.39 : 30,453,597.89 = 17,558,087.05 : x
2. Step 2: Convert to fraction form
   20,282,137.39/30,453,597.89 = 17,558,087.05/x
3. Step 3: Cross multiply
   20,282,137.39x = 30,453,597.89 × 17,558,087.05
4. Step 4: Simplify right side
   20,282,137.39x = 534,706,922,738,316.38
5. Step 5: Solve for x
   x = 534,706,922,738,316.38/20,282,137.39
6. Step 6: Final answer
   x = 26,363,440.52