Finding the Fourth Proportional to 89,063.42, 122,907.51 and 48,777.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,063.42 : 122,907.51 = 48,777.12 : x
2. Step 2: Convert to fraction form
   89,063.42/122,907.51 = 48,777.12/x
3. Step 3: Cross multiply
   89,063.42x = 122,907.51 × 48,777.12
4. Step 4: Simplify right side
   89,063.42x = 5,995,074,364.17
5. Step 5: Solve for x
   x = 5,995,074,364.17/89,063.42
6. Step 6: Final answer
   x = 67,312.42