Finding the Fourth Proportional to 117,742.95, 162,488.34 and 64,031.10

Step by Step Solution

1. Step 1: Write the proportion equation
   117,742.95 : 162,488.34 = 64,031.10 : x
2. Step 2: Convert to fraction form
   117,742.95/162,488.34 = 64,031.10/x
3. Step 3: Cross multiply
   117,742.95x = 162,488.34 × 64,031.10
4. Step 4: Simplify right side
   117,742.95x = 10,404,307,147.37
5. Step 5: Solve for x
   x = 10,404,307,147.37/117,742.95
6. Step 6: Final answer
   x = 88,364.59