Finding the Fourth Proportional to 88,429.56, 122,142.38 and 64,191.84

Step by Step Solution

1. Step 1: Write the proportion equation
   88,429.56 : 122,142.38 = 64,191.84 : x
2. Step 2: Convert to fraction form
   88,429.56/122,142.38 = 64,191.84/x
3. Step 3: Cross multiply
   88,429.56x = 122,142.38 × 64,191.84
4. Step 4: Simplify right side
   88,429.56x = 7,840,543,793.22
5. Step 5: Solve for x
   x = 7,840,543,793.22/88,429.56
6. Step 6: Final answer
   x = 88,664.29