Finding the Fourth Proportional to 104,910.93, 144,795.83 and 61,887.78

Step by Step Solution

1. Step 1: Write the proportion equation
   104,910.93 : 144,795.83 = 61,887.78 : x
2. Step 2: Convert to fraction form
   104,910.93/144,795.83 = 61,887.78/x
3. Step 3: Cross multiply
   104,910.93x = 144,795.83 × 61,887.78
4. Step 4: Simplify right side
   104,910.93x = 8,961,092,162.52
5. Step 5: Solve for x
   x = 8,961,092,162.52/104,910.93
6. Step 6: Final answer
   x = 85,416.19