Finding the Fourth Proportional to 117,800.48, 162,562.96 and 64,085.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,800.48 : 162,562.96 = 64,085.96 : x
2. Step 2: Convert to fraction form
   117,800.48/162,562.96 = 64,085.96/x
3. Step 3: Cross multiply
   117,800.48x = 162,562.96 × 64,085.96
4. Step 4: Simplify right side
   117,800.48x = 10,418,003,352.04
5. Step 5: Solve for x
   x = 10,418,003,352.04/117,800.48
6. Step 6: Final answer
   x = 88,437.70