Finding the Fourth Proportional to 79,124,944.59, 118,676,642.72 and 20,827,740.42

Step by Step Solution

1. Step 1: Write the proportion equation
   79,124,944.59 : 118,676,642.72 = 20,827,740.42 : x
2. Step 2: Convert to fraction form
   79,124,944.59/118,676,642.72 = 20,827,740.42/x
3. Step 3: Cross multiply
   79,124,944.59x = 118,676,642.72 × 20,827,740.42
4. Step 4: Simplify right side
   79,124,944.59x = 2,471,766,308,385,104.50
5. Step 5: Solve for x
   x = 2,471,766,308,385,104.50/79,124,944.59
6. Step 6: Final answer
   x = 31,238,774.59