Finding the Fourth Proportional to 82,866.56, 124,314.45 and 30,349.40

Step by Step Solution

1. Step 1: Write the proportion equation
   82,866.56 : 124,314.45 = 30,349.40 : x
2. Step 2: Convert to fraction form
   82,866.56/124,314.45 = 30,349.40/x
3. Step 3: Cross multiply
   82,866.56x = 124,314.45 × 30,349.40
4. Step 4: Simplify right side
   82,866.56x = 3,772,868,968.83
5. Step 5: Solve for x
   x = 3,772,868,968.83/82,866.56
6. Step 6: Final answer
   x = 45,529.45