Finding the Fourth Proportional to 57,870,974.27, 87,152,887.98 and 52,705,367.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,870,974.27 : 87,152,887.98 = 52,705,367.75 : x
2. Step 2: Convert to fraction form
   57,870,974.27/87,152,887.98 = 52,705,367.75/x
3. Step 3: Cross multiply
   57,870,974.27x = 87,152,887.98 × 52,705,367.75
4. Step 4: Simplify right side
   57,870,974.27x = 4,593,425,011,678,337
5. Step 5: Solve for x
   x = 4,593,425,011,678,337/57,870,974.27
6. Step 6: Final answer
   x = 79,373,555.90