Finding the Fourth Proportional to 82,783.24, 124,077.60 and 38,316.07

Step by Step Solution

1. Step 1: Write the proportion equation
   82,783.24 : 124,077.60 = 38,316.07 : x
2. Step 2: Convert to fraction form
   82,783.24/124,077.60 = 38,316.07/x
3. Step 3: Cross multiply
   82,783.24x = 124,077.60 × 38,316.07
4. Step 4: Simplify right side
   82,783.24x = 4,754,166,007.03
5. Step 5: Solve for x
   x = 4,754,166,007.03/82,783.24
6. Step 6: Final answer
   x = 57,429.09