Finding the Fourth Proportional to 42,722.22, 58,973.49 and 28,184.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,722.22 : 58,973.49 = 28,184.07 : x
2. Step 2: Convert to fraction form
   42,722.22/58,973.49 = 28,184.07/x
3. Step 3: Cross multiply
   42,722.22x = 58,973.49 × 28,184.07
4. Step 4: Simplify right side
   42,722.22x = 1,662,112,970.30
5. Step 5: Solve for x
   x = 1,662,112,970.30/42,722.22
6. Step 6: Final answer
   x = 38,905.12