Finding the Fourth Proportional to 340,061.83, 469,289.30 and 194,864.74

Step by Step Solution

1. Step 1: Write the proportion equation
   340,061.83 : 469,289.30 = 194,864.74 : x
2. Step 2: Convert to fraction form
   340,061.83/469,289.30 = 194,864.74/x
3. Step 3: Cross multiply
   340,061.83x = 469,289.30 × 194,864.74
4. Step 4: Simplify right side
   340,061.83x = 91,447,935,281.74
5. Step 5: Solve for x
   x = 91,447,935,281.74/340,061.83
6. Step 6: Final answer
   x = 268,915.61