Finding the Fourth Proportional to 88,782.56, 122,523.59 and 51,056.81

Step by Step Solution

1. Step 1: Write the proportion equation
   88,782.56 : 122,523.59 = 51,056.81 : x
2. Step 2: Convert to fraction form
   88,782.56/122,523.59 = 51,056.81/x
3. Step 3: Cross multiply
   88,782.56x = 122,523.59 × 51,056.81
4. Step 4: Simplify right side
   88,782.56x = 6,255,664,089.10
5. Step 5: Solve for x
   x = 6,255,664,089.10/88,782.56
6. Step 6: Final answer
   x = 70,460.50