Finding the Fourth Proportional to 123,069,206.50, 169,887,798.76 and 76,682,378.82

Step by Step Solution

1. Step 1: Write the proportion equation
   123,069,206.50 : 169,887,798.76 = 76,682,378.82 : x
2. Step 2: Convert to fraction form
   123,069,206.50/169,887,798.76 = 76,682,378.82/x
3. Step 3: Cross multiply
   123,069,206.50x = 169,887,798.76 × 76,682,378.82
4. Step 4: Simplify right side
   123,069,206.50x = 13,027,400,541,410,244
5. Step 5: Solve for x
   x = 13,027,400,541,410,244/123,069,206.50
6. Step 6: Final answer
   x = 105,854,266.16