Finding the Fourth Proportional to 42,250.05, 63,374.33 and 16,956

Step by Step Solution

1. Step 1: Write the proportion equation
   42,250.05 : 63,374.33 = 16,956 : x
2. Step 2: Convert to fraction form
   42,250.05/63,374.33 = 16,956/x
3. Step 3: Cross multiply
   42,250.05x = 63,374.33 × 16,956
4. Step 4: Simplify right side
   42,250.05x = 1,074,575,054.70
5. Step 5: Solve for x
   x = 1,074,575,054.70/42,250.05
6. Step 6: Final answer
   x = 25,433.70