Finding the Fourth Proportional to 70,828.50, 97,714.04 and 42,142.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,828.50 : 97,714.04 = 42,142.42 : x
2. Step 2: Convert to fraction form
   70,828.50/97,714.04 = 42,142.42/x
3. Step 3: Cross multiply
   70,828.50x = 97,714.04 × 42,142.42
4. Step 4: Simplify right side
   70,828.50x = 4,117,906,113.58
5. Step 5: Solve for x
   x = 4,117,906,113.58/70,828.50
6. Step 6: Final answer
   x = 58,139.11