Finding the Fourth Proportional to 82,970.69, 124,417.16 and 30,343.37

Step by Step Solution

1. Step 1: Write the proportion equation
   82,970.69 : 124,417.16 = 30,343.37 : x
2. Step 2: Convert to fraction form
   82,970.69/124,417.16 = 30,343.37/x
3. Step 3: Cross multiply
   82,970.69x = 124,417.16 × 30,343.37
4. Step 4: Simplify right side
   82,970.69x = 3,775,235,768.51
5. Step 5: Solve for x
   x = 3,775,235,768.51/82,970.69
6. Step 6: Final answer
   x = 45,500.84