Finding the Fourth Proportional to 9,837.34, 13,575.45 and 5,360.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837.34 : 13,575.45 = 5,360.74 : x
2. Step 2: Convert to fraction form
   9,837.34/13,575.45 = 5,360.74/x
3. Step 3: Cross multiply
   9,837.34x = 13,575.45 × 5,360.74
4. Step 4: Simplify right side
   9,837.34x = 72,774,457.83
5. Step 5: Solve for x
   x = 72,774,457.83/9,837.34
6. Step 6: Final answer
   x = 7,397.78