Finding the Fourth Proportional to 82,944,793.60, 124,379,865.60 and 31,809,817.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,944,793.60 : 124,379,865.60 = 31,809,817.60 : x
2. Step 2: Convert to fraction form
   82,944,793.60/124,379,865.60 = 31,809,817.60/x
3. Step 3: Cross multiply
   82,944,793.60x = 124,379,865.60 × 31,809,817.60
4. Step 4: Simplify right side
   82,944,793.60x = 3,956,500,837,848,514.50
5. Step 5: Solve for x
   x = 3,956,500,837,848,514.50/82,944,793.60
6. Step 6: Final answer
   x = 47,700,412.12