Finding the Fourth Proportional to 117,929.34, 162,742.50 and 64,214.34

Step by Step Solution

1. Step 1: Write the proportion equation
   117,929.34 : 162,742.50 = 64,214.34 : x
2. Step 2: Convert to fraction form
   117,929.34/162,742.50 = 64,214.34/x
3. Step 3: Cross multiply
   117,929.34x = 162,742.50 × 64,214.34
4. Step 4: Simplify right side
   117,929.34x = 10,450,402,227.45
5. Step 5: Solve for x
   x = 10,450,402,227.45/117,929.34
6. Step 6: Final answer
   x = 88,615.80