Finding the Fourth Proportional to 117,778.74, 162,536.27 and 64,066.02

Step by Step Solution

1. Step 1: Write the proportion equation
   117,778.74 : 162,536.27 = 64,066.02 : x
2. Step 2: Convert to fraction form
   117,778.74/162,536.27 = 64,066.02/x
3. Step 3: Cross multiply
   117,778.74x = 162,536.27 × 64,066.02
4. Step 4: Simplify right side
   117,778.74x = 10,413,051,604.22
5. Step 5: Solve for x
   x = 10,413,051,604.22/117,778.74
6. Step 6: Final answer
   x = 88,411.98