Finding the Fourth Proportional to 70,602.72, 97,414.50 and 39,976.52

Step by Step Solution

1. Step 1: Write the proportion equation
   70,602.72 : 97,414.50 = 39,976.52 : x
2. Step 2: Convert to fraction form
   70,602.72/97,414.50 = 39,976.52/x
3. Step 3: Cross multiply
   70,602.72x = 97,414.50 × 39,976.52
4. Step 4: Simplify right side
   70,602.72x = 3,894,292,693.47
5. Step 5: Solve for x
   x = 3,894,292,693.47/70,602.72
6. Step 6: Final answer
   x = 55,157.83