Finding the Fourth Proportional to 42,112.05, 63,167.94 and 28,924.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,112.05 : 63,167.94 = 28,924.44 : x
2. Step 2: Convert to fraction form
   42,112.05/63,167.94 = 28,924.44/x
3. Step 3: Cross multiply
   42,112.05x = 63,167.94 × 28,924.44
4. Step 4: Simplify right side
   42,112.05x = 1,827,097,290.45
5. Step 5: Solve for x
   x = 1,827,097,290.45/42,112.05
6. Step 6: Final answer
   x = 43,386.57