Finding the Fourth Proportional to 83,131.58, 124,736.25 and 48,100.70

Step by Step Solution

1. Step 1: Write the proportion equation
   83,131.58 : 124,736.25 = 48,100.70 : x
2. Step 2: Convert to fraction form
   83,131.58/124,736.25 = 48,100.70/x
3. Step 3: Cross multiply
   83,131.58x = 124,736.25 × 48,100.70
4. Step 4: Simplify right side
   83,131.58x = 5,999,900,940.38
5. Step 5: Solve for x
   x = 5,999,900,940.38/83,131.58
6. Step 6: Final answer
   x = 72,173.55