Finding the Fourth Proportional to 117,789.53, 162,552.29 and 64,077.48

Step by Step Solution

1. Step 1: Write the proportion equation
   117,789.53 : 162,552.29 = 64,077.48 : x
2. Step 2: Convert to fraction form
   117,789.53/162,552.29 = 64,077.48/x
3. Step 3: Cross multiply
   117,789.53x = 162,552.29 × 64,077.48
4. Step 4: Simplify right side
   117,789.53x = 10,415,940,791.04
5. Step 5: Solve for x
   x = 10,415,940,791.04/117,789.53
6. Step 6: Final answer
   x = 88,428.41