Finding the Fourth Proportional to 342,068.27, 472,013.33 and 189,085.86

Step by Step Solution

1. Step 1: Write the proportion equation
   342,068.27 : 472,013.33 = 189,085.86 : x
2. Step 2: Convert to fraction form
   342,068.27/472,013.33 = 189,085.86/x
3. Step 3: Cross multiply
   342,068.27x = 472,013.33 × 189,085.86
4. Step 4: Simplify right side
   342,068.27x = 89,251,045,489.08
5. Step 5: Solve for x
   x = 89,251,045,489.08/342,068.27
6. Step 6: Final answer
   x = 260,915.89