Finding the Fourth Proportional to 83,309.39, 124,908.42 and 45,886.94

Step by Step Solution

1. Step 1: Write the proportion equation
   83,309.39 : 124,908.42 = 45,886.94 : x
2. Step 2: Convert to fraction form
   83,309.39/124,908.42 = 45,886.94/x
3. Step 3: Cross multiply
   83,309.39x = 124,908.42 × 45,886.94
4. Step 4: Simplify right side
   83,309.39x = 5,731,665,174.03
5. Step 5: Solve for x
   x = 5,731,665,174.03/83,309.39
6. Step 6: Final answer
   x = 68,799.75