Finding the Fourth Proportional to 9,970.07, 13,758.86 and 5,493.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.07 : 13,758.86 = 5,493.76 : x
2. Step 2: Convert to fraction form
   9,970.07/13,758.86 = 5,493.76/x
3. Step 3: Cross multiply
   9,970.07x = 13,758.86 × 5,493.76
4. Step 4: Simplify right side
   9,970.07x = 75,587,874.71
5. Step 5: Solve for x
   x = 75,587,874.71/9,970.07
6. Step 6: Final answer
   x = 7,581.48