Finding the Fourth Proportional to 58,667.21, 80,960.36 and 31,809.63

Step by Step Solution

1. Step 1: Write the proportion equation
   58,667.21 : 80,960.36 = 31,809.63 : x
2. Step 2: Convert to fraction form
   58,667.21/80,960.36 = 31,809.63/x
3. Step 3: Cross multiply
   58,667.21x = 80,960.36 × 31,809.63
4. Step 4: Simplify right side
   58,667.21x = 2,575,318,937.22
5. Step 5: Solve for x
   x = 2,575,318,937.22/58,667.21
6. Step 6: Final answer
   x = 43,897.08