Finding the Fourth Proportional to 188,824.72, 283,139.56 and 55,688.04

Step by Step Solution

1. Step 1: Write the proportion equation
   188,824.72 : 283,139.56 = 55,688.04 : x
2. Step 2: Convert to fraction form
   188,824.72/283,139.56 = 55,688.04/x
3. Step 3: Cross multiply
   188,824.72x = 283,139.56 × 55,688.04
4. Step 4: Simplify right side
   188,824.72x = 15,767,487,142.86
5. Step 5: Solve for x
   x = 15,767,487,142.86/188,824.72
6. Step 6: Final answer
   x = 83,503.30