Finding the Fourth Proportional to 12,973.64, 19,451.34 and 4,538.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.64 : 19,451.34 = 4,538.09 : x
2. Step 2: Convert to fraction form
   12,973.64/19,451.34 = 4,538.09/x
3. Step 3: Cross multiply
   12,973.64x = 19,451.34 × 4,538.09
4. Step 4: Simplify right side
   12,973.64x = 88,271,980.17
5. Step 5: Solve for x
   x = 88,271,980.17/12,973.64
6. Step 6: Final answer
   x = 6,803.95