Finding the Fourth Proportional to 502,111.17, 692,918.82 and 275,756.67

Step by Step Solution

1. Step 1: Write the proportion equation
   502,111.17 : 692,918.82 = 275,756.67 : x
2. Step 2: Convert to fraction form
   502,111.17/692,918.82 = 275,756.67/x
3. Step 3: Cross multiply
   502,111.17x = 692,918.82 × 275,756.67
4. Step 4: Simplify right side
   502,111.17x = 191,076,986,383.53
5. Step 5: Solve for x
   x = 191,076,986,383.53/502,111.17
6. Step 6: Final answer
   x = 380,547.17