Finding the Fourth Proportional to 34,684.18, 47,858.78 and 20,342.86

Step by Step Solution

1. Step 1: Write the proportion equation
   34,684.18 : 47,858.78 = 20,342.86 : x
2. Step 2: Convert to fraction form
   34,684.18/47,858.78 = 20,342.86/x
3. Step 3: Cross multiply
   34,684.18x = 47,858.78 × 20,342.86
4. Step 4: Simplify right side
   34,684.18x = 973,584,461.31
5. Step 5: Solve for x
   x = 973,584,461.31/34,684.18
6. Step 6: Final answer
   x = 28,069.99