Finding the Fourth Proportional to 204,045.50, 306,085.89 and 56,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   204,045.50 : 306,085.89 = 56,301.50 : x
2. Step 2: Convert to fraction form
   204,045.50/306,085.89 = 56,301.50/x
3. Step 3: Cross multiply
   204,045.50x = 306,085.89 × 56,301.50
4. Step 4: Simplify right side
   204,045.50x = 17,233,094,735.84
5. Step 5: Solve for x
   x = 17,233,094,735.84/204,045.50
6. Step 6: Final answer
   x = 84,457.12