Finding the Fourth Proportional to 34,788.77, 48,009.33 and 20,641.71

Step by Step Solution

1. Step 1: Write the proportion equation
   34,788.77 : 48,009.33 = 20,641.71 : x
2. Step 2: Convert to fraction form
   34,788.77/48,009.33 = 20,641.71/x
3. Step 3: Cross multiply
   34,788.77x = 48,009.33 × 20,641.71
4. Step 4: Simplify right side
   34,788.77x = 990,994,667.15
5. Step 5: Solve for x
   x = 990,994,667.15/34,788.77
6. Step 6: Final answer
   x = 28,486.05