Finding the Fourth Proportional to 42,152.58, 63,252.50 and 26,355.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,152.58 : 63,252.50 = 26,355.15 : x
2. Step 2: Convert to fraction form
   42,152.58/63,252.50 = 26,355.15/x
3. Step 3: Cross multiply
   42,152.58x = 63,252.50 × 26,355.15
4. Step 4: Simplify right side
   42,152.58x = 1,667,028,993.60
5. Step 5: Solve for x
   x = 1,667,028,993.60/42,152.58
6. Step 6: Final answer
   x = 39,547.50