Finding the Fourth Proportional to 71,784.28, 99,065.82 and 43,492.60

Step by Step Solution

1. Step 1: Write the proportion equation
   71,784.28 : 99,065.82 = 43,492.60 : x
2. Step 2: Convert to fraction form
   71,784.28/99,065.82 = 43,492.60/x
3. Step 3: Cross multiply
   71,784.28x = 99,065.82 × 43,492.60
4. Step 4: Simplify right side
   71,784.28x = 4,308,630,082.93
5. Step 5: Solve for x
   x = 4,308,630,082.93/71,784.28
6. Step 6: Final answer
   x = 60,021.92