Finding the Fourth Proportional to 123,069,153.12, 169,887,725.24 and 76,682,325.57

Step by Step Solution

1. Step 1: Write the proportion equation
   123,069,153.12 : 169,887,725.24 = 76,682,325.57 : x
2. Step 2: Convert to fraction form
   123,069,153.12/169,887,725.24 = 76,682,325.57/x
3. Step 3: Cross multiply
   123,069,153.12x = 169,887,725.24 × 76,682,325.57
4. Step 4: Simplify right side
   123,069,153.12x = 13,027,385,856,816,974
5. Step 5: Solve for x
   x = 13,027,385,856,816,974/123,069,153.12
6. Step 6: Final answer
   x = 105,854,192.76