Finding the Fourth Proportional to 9,837.21, 13,575.01 and 5,360.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,837.21 : 13,575.01 = 5,360.87 : x
2. Step 2: Convert to fraction form
   9,837.21/13,575.01 = 5,360.87/x
3. Step 3: Cross multiply
   9,837.21x = 13,575.01 × 5,360.87
4. Step 4: Simplify right side
   9,837.21x = 72,773,863.86
5. Step 5: Solve for x
   x = 72,773,863.86/9,837.21
6. Step 6: Final answer
   x = 7,397.82