Finding the Fourth Proportional to 123,069,124.25, 169,887,685.25 and 76,682,296.56

Step by Step Solution

1. Step 1: Write the proportion equation
   123,069,124.25 : 169,887,685.25 = 76,682,296.56 : x
2. Step 2: Convert to fraction form
   123,069,124.25/169,887,685.25 = 76,682,296.56/x
3. Step 3: Cross multiply
   123,069,124.25x = 169,887,685.25 × 76,682,296.56
4. Step 4: Simplify right side
   123,069,124.25x = 13,027,377,862,424,144
5. Step 5: Solve for x
   x = 13,027,377,862,424,144/123,069,124.25
6. Step 6: Final answer
   x = 105,854,152.63