Finding the Fourth Proportional to 12,973.42, 17,903.32 and 7,670.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,973.42 : 17,903.32 = 7,670.86 : x
2. Step 2: Convert to fraction form
   12,973.42/17,903.32 = 7,670.86/x
3. Step 3: Cross multiply
   12,973.42x = 17,903.32 × 7,670.86
4. Step 4: Simplify right side
   12,973.42x = 137,333,861.26
5. Step 5: Solve for x
   x = 137,333,861.26/12,973.42
6. Step 6: Final answer
   x = 10,585.79