Finding the Fourth Proportional to 83,112.11, 124,671.83 and 30,492.89

Step by Step Solution

1. Step 1: Write the proportion equation
   83,112.11 : 124,671.83 = 30,492.89 : x
2. Step 2: Convert to fraction form
   83,112.11/124,671.83 = 30,492.89/x
3. Step 3: Cross multiply
   83,112.11x = 124,671.83 × 30,492.89
4. Step 4: Simplify right side
   83,112.11x = 3,801,604,089.98
5. Step 5: Solve for x
   x = 3,801,604,089.98/83,112.11
6. Step 6: Final answer
   x = 45,740.68