Finding the Fourth Proportional to 42,592.43, 63,886.83 and 18,893.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,592.43 : 63,886.83 = 18,893.86 : x
2. Step 2: Convert to fraction form
   42,592.43/63,886.83 = 18,893.86/x
3. Step 3: Cross multiply
   42,592.43x = 63,886.83 × 18,893.86
4. Step 4: Simplify right side
   42,592.43x = 1,207,068,591.29
5. Step 5: Solve for x
   x = 1,207,068,591.29/42,592.43
6. Step 6: Final answer
   x = 28,339.98