Finding the Fourth Proportional to 52,667.01, 78,992.75 and 19,379.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,667.01 : 78,992.75 = 19,379.34 : x
2. Step 2: Convert to fraction form
   52,667.01/78,992.75 = 19,379.34/x
3. Step 3: Cross multiply
   52,667.01x = 78,992.75 × 19,379.34
4. Step 4: Simplify right side
   52,667.01x = 1,530,827,262.89
5. Step 5: Solve for x
   x = 1,530,827,262.89/52,667.01
6. Step 6: Final answer
   x = 29,066.15