Finding the Fourth Proportional to 13,655.73, 20,498.18 and 5,870.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,655.73 : 20,498.18 = 5,870.01 : x
2. Step 2: Convert to fraction form
   13,655.73/20,498.18 = 5,870.01/x
3. Step 3: Cross multiply
   13,655.73x = 20,498.18 × 5,870.01
4. Step 4: Simplify right side
   13,655.73x = 120,324,492.23
5. Step 5: Solve for x
   x = 120,324,492.23/13,655.73
6. Step 6: Final answer
   x = 8,811.28