Finding the Fourth Proportional to 115,940,443.70, 162,555,499.90 and 115,940,443.70

Step by Step Solution

1. Step 1: Write the proportion equation
   115,940,443.70 : 162,555,499.90 = 115,940,443.70 : x
2. Step 2: Convert to fraction form
   115,940,443.70/162,555,499.90 = 115,940,443.70/x
3. Step 3: Cross multiply
   115,940,443.70x = 162,555,499.90 × 115,940,443.70
4. Step 4: Simplify right side
   115,940,443.70x = 18,846,756,784,281,308
5. Step 5: Solve for x
   x = 18,846,756,784,281,308/115,940,443.70
6. Step 6: Final answer
   x = 162,555,499.90