Finding the Fourth Proportional to 117,830.27, 162,607.72 and 64,115.56

Step by Step Solution

1. Step 1: Write the proportion equation
   117,830.27 : 162,607.72 = 64,115.56 : x
2. Step 2: Convert to fraction form
   117,830.27/162,607.72 = 64,115.56/x
3. Step 3: Cross multiply
   117,830.27x = 162,607.72 × 64,115.56
4. Step 4: Simplify right side
   117,830.27x = 10,425,685,028.12
5. Step 5: Solve for x
   x = 10,425,685,028.12/117,830.27
6. Step 6: Final answer
   x = 88,480.53