Finding the Fourth Proportional to 123,069,124.56, 169,887,685.69 and 76,682,296.87

Step by Step Solution

1. Step 1: Write the proportion equation
   123,069,124.56 : 169,887,685.69 = 76,682,296.87 : x
2. Step 2: Convert to fraction form
   123,069,124.56/169,887,685.69 = 76,682,296.87/x
3. Step 3: Cross multiply
   123,069,124.56x = 169,887,685.69 × 76,682,296.87
4. Step 4: Simplify right side
   123,069,124.56x = 13,027,377,948,679,140
5. Step 5: Solve for x
   x = 13,027,377,948,679,140/123,069,124.56
6. Step 6: Final answer
   x = 105,854,153.07