Finding the Fourth Proportional to 504,111.08, 695,640.72 and 300,176.96

Step by Step Solution

1. Step 1: Write the proportion equation
   504,111.08 : 695,640.72 = 300,176.96 : x
2. Step 2: Convert to fraction form
   504,111.08/695,640.72 = 300,176.96/x
3. Step 3: Cross multiply
   504,111.08x = 695,640.72 × 300,176.96
4. Step 4: Simplify right side
   504,111.08x = 208,815,316,581.81
5. Step 5: Solve for x
   x = 208,815,316,581.81/504,111.08
6. Step 6: Final answer
   x = 414,224.81