Finding the Fourth Proportional to 504,111.72, 756,079.56 and 188,503.32

Step by Step Solution

1. Step 1: Write the proportion equation
   504,111.72 : 756,079.56 = 188,503.32 : x
2. Step 2: Convert to fraction form
   504,111.72/756,079.56 = 188,503.32/x
3. Step 3: Cross multiply
   504,111.72x = 756,079.56 × 188,503.32
4. Step 4: Simplify right side
   504,111.72x = 142,523,507,244.14
5. Step 5: Solve for x
   x = 142,523,507,244.14/504,111.72
6. Step 6: Final answer
   x = 282,722.07