Finding the Fourth Proportional to 70,805.05, 97,711 and 38,973.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,805.05 : 97,711 = 38,973.72 : x
2. Step 2: Convert to fraction form
   70,805.05/97,711 = 38,973.72/x
3. Step 3: Cross multiply
   70,805.05x = 97,711 × 38,973.72
4. Step 4: Simplify right side
   70,805.05x = 3,808,161,154.92
5. Step 5: Solve for x
   x = 3,808,161,154.92/70,805.05
6. Step 6: Final answer
   x = 53,783.75