Finding the Fourth Proportional to 89,061.04, 122,904.16 and 48,777.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,061.04 : 122,904.16 = 48,777.31 : x
2. Step 2: Convert to fraction form
   89,061.04/122,904.16 = 48,777.31/x
3. Step 3: Cross multiply
   89,061.04x = 122,904.16 × 48,777.31
4. Step 4: Simplify right side
   89,061.04x = 5,994,934,312.61
5. Step 5: Solve for x
   x = 5,994,934,312.61/89,061.04
6. Step 6: Final answer
   x = 67,312.65