Finding the Fourth Proportional to 117,719.84, 162,453.24 and 64,004.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,719.84 : 162,453.24 = 64,004.72 : x
2. Step 2: Convert to fraction form
   117,719.84/162,453.24 = 64,004.72/x
3. Step 3: Cross multiply
   117,719.84x = 162,453.24 × 64,004.72
4. Step 4: Simplify right side
   117,719.84x = 10,397,774,139.29
5. Step 5: Solve for x
   x = 10,397,774,139.29/117,719.84
6. Step 6: Final answer
   x = 88,326.44