Finding the Fourth Proportional to 83,647.60, 115,411.16 and 47,830.22

Step by Step Solution

1. Step 1: Write the proportion equation
   83,647.60 : 115,411.16 = 47,830.22 : x
2. Step 2: Convert to fraction form
   83,647.60/115,411.16 = 47,830.22/x
3. Step 3: Cross multiply
   83,647.60x = 115,411.16 × 47,830.22
4. Step 4: Simplify right side
   83,647.60x = 5,520,141,173.26
5. Step 5: Solve for x
   x = 5,520,141,173.26/83,647.60
6. Step 6: Final answer
   x = 65,992.82