Finding the Fourth Proportional to 34,894.16, 48,152.55 and 18,978.62

Step by Step Solution

1. Step 1: Write the proportion equation
   34,894.16 : 48,152.55 = 18,978.62 : x
2. Step 2: Convert to fraction form
   34,894.16/48,152.55 = 18,978.62/x
3. Step 3: Cross multiply
   34,894.16x = 48,152.55 × 18,978.62
4. Step 4: Simplify right side
   34,894.16x = 913,869,068.86
5. Step 5: Solve for x
   x = 913,869,068.86/34,894.16
6. Step 6: Final answer
   x = 26,189.75