Finding the Fourth Proportional to 82,185.06, 123,283.06 and 28,870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,185.06 : 123,283.06 = 28,870.56 : x
2. Step 2: Convert to fraction form
   82,185.06/123,283.06 = 28,870.56/x
3. Step 3: Cross multiply
   82,185.06x = 123,283.06 × 28,870.56
4. Step 4: Simplify right side
   82,185.06x = 3,559,250,980.71
5. Step 5: Solve for x
   x = 3,559,250,980.71/82,185.06
6. Step 6: Final answer
   x = 43,307.76