Finding the Fourth Proportional to 67,713.48, 101,587.50 and 42,929.64

Step by Step Solution

1. Step 1: Write the proportion equation
   67,713.48 : 101,587.50 = 42,929.64 : x
2. Step 2: Convert to fraction form
   67,713.48/101,587.50 = 42,929.64/x
3. Step 3: Cross multiply
   67,713.48x = 101,587.50 × 42,929.64
4. Step 4: Simplify right side
   67,713.48x = 4,361,114,803.50
5. Step 5: Solve for x
   x = 4,361,114,803.50/67,713.48
6. Step 6: Final answer
   x = 64,405.42