Finding the Fourth Proportional to 82,992.18, 124,424.46 and 42,968.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,992.18 : 124,424.46 = 42,968.25 : x
2. Step 2: Convert to fraction form
   82,992.18/124,424.46 = 42,968.25/x
3. Step 3: Cross multiply
   82,992.18x = 124,424.46 × 42,968.25
4. Step 4: Simplify right side
   82,992.18x = 5,346,301,303.40
5. Step 5: Solve for x
   x = 5,346,301,303.40/82,992.18
6. Step 6: Final answer
   x = 64,419.34