Finding the Fourth Proportional to 51,656.42, 77,514.54 and 21,667.98

Step by Step Solution

1. Step 1: Write the proportion equation
   51,656.42 : 77,514.54 = 21,667.98 : x
2. Step 2: Convert to fraction form
   51,656.42/77,514.54 = 21,667.98/x
3. Step 3: Cross multiply
   51,656.42x = 77,514.54 × 21,667.98
4. Step 4: Simplify right side
   51,656.42x = 1,679,583,502.43
5. Step 5: Solve for x
   x = 1,679,583,502.43/51,656.42
6. Step 6: Final answer
   x = 32,514.52