Finding the Fourth Proportional to 340,388.83, 469,732.71 and 187,423.84

Step by Step Solution

1. Step 1: Write the proportion equation
   340,388.83 : 469,732.71 = 187,423.84 : x
2. Step 2: Convert to fraction form
   340,388.83/469,732.71 = 187,423.84/x
3. Step 3: Cross multiply
   340,388.83x = 469,732.71 × 187,423.84
4. Step 4: Simplify right side
   340,388.83x = 88,039,108,281.81
5. Step 5: Solve for x
   x = 88,039,108,281.81/340,388.83
6. Step 6: Final answer
   x = 258,642.77