Finding the Fourth Proportional to 70,315.59, 97,035.72 and 38,486.55

Step by Step Solution

1. Step 1: Write the proportion equation
   70,315.59 : 97,035.72 = 38,486.55 : x
2. Step 2: Convert to fraction form
   70,315.59/97,035.72 = 38,486.55/x
3. Step 3: Cross multiply
   70,315.59x = 97,035.72 × 38,486.55
4. Step 4: Simplify right side
   70,315.59x = 3,734,570,089.57
5. Step 5: Solve for x
   x = 3,734,570,089.57/70,315.59
6. Step 6: Final answer
   x = 53,111.55