Finding the Fourth Proportional to 341,886.78, 471,802.59 and 188,920.71

Step by Step Solution

1. Step 1: Write the proportion equation
   341,886.78 : 471,802.59 = 188,920.71 : x
2. Step 2: Convert to fraction form
   341,886.78/471,802.59 = 188,920.71/x
3. Step 3: Cross multiply
   341,886.78x = 471,802.59 × 188,920.71
4. Step 4: Simplify right side
   341,886.78x = 89,133,280,282.64
5. Step 5: Solve for x
   x = 89,133,280,282.64/341,886.78
6. Step 6: Final answer
   x = 260,709.94