Finding the Fourth Proportional to 34,078.86, 47,051.69 and 30,482.60

Step by Step Solution

1. Step 1: Write the proportion equation
   34,078.86 : 47,051.69 = 30,482.60 : x
2. Step 2: Convert to fraction form
   34,078.86/47,051.69 = 30,482.60/x
3. Step 3: Cross multiply
   34,078.86x = 47,051.69 × 30,482.60
4. Step 4: Simplify right side
   34,078.86x = 1,434,257,457.92
5. Step 5: Solve for x
   x = 1,434,257,457.92/34,078.86
6. Step 6: Final answer
   x = 42,086.43