Finding the Fourth Proportional to 117,789.57, 162,552.24 and 64,077.48

Step by Step Solution

1. Step 1: Write the proportion equation
   117,789.57 : 162,552.24 = 64,077.48 : x
2. Step 2: Convert to fraction form
   117,789.57/162,552.24 = 64,077.48/x
3. Step 3: Cross multiply
   117,789.57x = 162,552.24 × 64,077.48
4. Step 4: Simplify right side
   117,789.57x = 10,415,937,907.56
5. Step 5: Solve for x
   x = 10,415,937,907.56/117,789.57
6. Step 6: Final answer
   x = 88,428.35