Finding the Fourth Proportional to 83,118.86, 124,642.22 and 45,667.70

Step by Step Solution

1. Step 1: Write the proportion equation
   83,118.86 : 124,642.22 = 45,667.70 : x
2. Step 2: Convert to fraction form
   83,118.86/124,642.22 = 45,667.70/x
3. Step 3: Cross multiply
   83,118.86x = 124,642.22 × 45,667.70
4. Step 4: Simplify right side
   83,118.86x = 5,692,123,510.29
5. Step 5: Solve for x
   x = 5,692,123,510.29/83,118.86
6. Step 6: Final answer
   x = 68,481.73