Finding the Fourth Proportional to 89,070.86, 122,919.12 and 48,788.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,070.86 : 122,919.12 = 48,788.34 : x
2. Step 2: Convert to fraction form
   89,070.86/122,919.12 = 48,788.34/x
3. Step 3: Cross multiply
   89,070.86x = 122,919.12 × 48,788.34
4. Step 4: Simplify right side
   89,070.86x = 5,997,019,819.06
5. Step 5: Solve for x
   x = 5,997,019,819.06/89,070.86
6. Step 6: Final answer
   x = 67,328.64