Finding the Fourth Proportional to 570,185.06, 786,777.46 and 340,693.88

Step by Step Solution

1. Step 1: Write the proportion equation
   570,185.06 : 786,777.46 = 340,693.88 : x
2. Step 2: Convert to fraction form
   570,185.06/786,777.46 = 340,693.88/x
3. Step 3: Cross multiply
   570,185.06x = 786,777.46 × 340,693.88
4. Step 4: Simplify right side
   570,185.06x = 268,050,260,758.32
5. Step 5: Solve for x
   x = 268,050,260,758.32/570,185.06
6. Step 6: Final answer
   x = 470,110.99