Finding the Fourth Proportional to 70,930.10, 97,890.42 and 52,993.96

Step by Step Solution

1. Step 1: Write the proportion equation
   70,930.10 : 97,890.42 = 52,993.96 : x
2. Step 2: Convert to fraction form
   70,930.10/97,890.42 = 52,993.96/x
3. Step 3: Cross multiply
   70,930.10x = 97,890.42 × 52,993.96
4. Step 4: Simplify right side
   70,930.10x = 5,187,601,506.50
5. Step 5: Solve for x
   x = 5,187,601,506.50/70,930.10
6. Step 6: Final answer
   x = 73,136.82