Finding the Fourth Proportional to 42,578.76, 63,902.16 and 25,063.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,578.76 : 63,902.16 = 25,063.32 : x
2. Step 2: Convert to fraction form
   42,578.76/63,902.16 = 25,063.32/x
3. Step 3: Cross multiply
   42,578.76x = 63,902.16 × 25,063.32
4. Step 4: Simplify right side
   42,578.76x = 1,601,600,284.77
5. Step 5: Solve for x
   x = 1,601,600,284.77/42,578.76
6. Step 6: Final answer
   x = 37,615.01