Finding the Fourth Proportional to 82,236,888.86, 123,355,625.43 and 20,826,030.74

Step by Step Solution

1. Step 1: Write the proportion equation
   82,236,888.86 : 123,355,625.43 = 20,826,030.74 : x
2. Step 2: Convert to fraction form
   82,236,888.86/123,355,625.43 = 20,826,030.74/x
3. Step 3: Cross multiply
   82,236,888.86x = 123,355,625.43 × 20,826,030.74
4. Step 4: Simplify right side
   82,236,888.86x = 2,569,008,047,157,105.50
5. Step 5: Solve for x
   x = 2,569,008,047,157,105.50/82,236,888.86
6. Step 6: Final answer
   x = 31,239,120.09