Finding the Fourth Proportional to 123,069,126, 169,887,687.67 and 76,682,298.31

Step by Step Solution

1. Step 1: Write the proportion equation
   123,069,126 : 169,887,687.67 = 76,682,298.31 : x
2. Step 2: Convert to fraction form
   123,069,126/169,887,687.67 = 76,682,298.31/x
3. Step 3: Cross multiply
   123,069,126x = 169,887,687.67 × 76,682,298.31
4. Step 4: Simplify right side
   123,069,126x = 13,027,378,345,107,048
5. Step 5: Solve for x
   x = 13,027,378,345,107,048/123,069,126
6. Step 6: Final answer
   x = 105,854,155.05