Finding the Fourth Proportional to 397,595.35, 596,188.72 and 117,076.15

Step by Step Solution

1. Step 1: Write the proportion equation
   397,595.35 : 596,188.72 = 117,076.15 : x
2. Step 2: Convert to fraction form
   397,595.35/596,188.72 = 117,076.15/x
3. Step 3: Cross multiply
   397,595.35x = 596,188.72 × 117,076.15
4. Step 4: Simplify right side
   397,595.35x = 69,799,480,011.03
5. Step 5: Solve for x
   x = 69,799,480,011.03/397,595.35
6. Step 6: Final answer
   x = 175,554.07