Finding the Fourth Proportional to 28,185.57, 42,279.71 and 23,246.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,185.57 : 42,279.71 = 23,246.06 : x
2. Step 2: Convert to fraction form
   28,185.57/42,279.71 = 23,246.06/x
3. Step 3: Cross multiply
   28,185.57x = 42,279.71 × 23,246.06
4. Step 4: Simplify right side
   28,185.57x = 982,836,347.81
5. Step 5: Solve for x
   x = 982,836,347.81/28,185.57
6. Step 6: Final answer
   x = 34,870.20