Finding the Fourth Proportional to 60,499.64, 83,491.43 and 33,643.28

Step by Step Solution

1. Step 1: Write the proportion equation
   60,499.64 : 83,491.43 = 33,643.28 : x
2. Step 2: Convert to fraction form
   60,499.64/83,491.43 = 33,643.28/x
3. Step 3: Cross multiply
   60,499.64x = 83,491.43 × 33,643.28
4. Step 4: Simplify right side
   60,499.64x = 2,808,924,971.42
5. Step 5: Solve for x
   x = 2,808,924,971.42/60,499.64
6. Step 6: Final answer
   x = 46,428.79