Finding the Fourth Proportional to 137,667.36, 206,522.64 and 58,782

Step by Step Solution

1. Step 1: Write the proportion equation
   137,667.36 : 206,522.64 = 58,782 : x
2. Step 2: Convert to fraction form
   137,667.36/206,522.64 = 58,782/x
3. Step 3: Cross multiply
   137,667.36x = 206,522.64 × 58,782
4. Step 4: Simplify right side
   137,667.36x = 12,139,813,824.48
5. Step 5: Solve for x
   x = 12,139,813,824.48/137,667.36
6. Step 6: Final answer
   x = 88,182.22