Finding the Fourth Proportional to 70,561.99, 97,375.86 and 38,731.15

Step by Step Solution

1. Step 1: Write the proportion equation
   70,561.99 : 97,375.86 = 38,731.15 : x
2. Step 2: Convert to fraction form
   70,561.99/97,375.86 = 38,731.15/x
3. Step 3: Cross multiply
   70,561.99x = 97,375.86 × 38,731.15
4. Step 4: Simplify right side
   70,561.99x = 3,771,478,359.50
5. Step 5: Solve for x
   x = 3,771,478,359.50/70,561.99
6. Step 6: Final answer
   x = 53,449.15