Finding the Fourth Proportional to 89,070.68, 122,918.94 and 48,783.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,070.68 : 122,918.94 = 48,783.72 : x
2. Step 2: Convert to fraction form
   89,070.68/122,918.94 = 48,783.72/x
3. Step 3: Cross multiply
   89,070.68x = 122,918.94 × 48,783.72
4. Step 4: Simplify right side
   89,070.68x = 5,996,443,151.66
5. Step 5: Solve for x
   x = 5,996,443,151.66/89,070.68
6. Step 6: Final answer
   x = 67,322.30