Finding the Fourth Proportional to 89,090.72, 122,940.76 and 48,804.62

Step by Step Solution

1. Step 1: Write the proportion equation
   89,090.72 : 122,940.76 = 48,804.62 : x
2. Step 2: Convert to fraction form
   89,090.72/122,940.76 = 48,804.62/x
3. Step 3: Cross multiply
   89,090.72x = 122,940.76 × 48,804.62
4. Step 4: Simplify right side
   89,090.72x = 6,000,077,074.31
5. Step 5: Solve for x
   x = 6,000,077,074.31/89,090.72
6. Step 6: Final answer
   x = 67,347.95