Finding the Fourth Proportional to 83,406.82, 115,109.64 and 47,602.18

Step by Step Solution

1. Step 1: Write the proportion equation
   83,406.82 : 115,109.64 = 47,602.18 : x
2. Step 2: Convert to fraction form
   83,406.82/115,109.64 = 47,602.18/x
3. Step 3: Cross multiply
   83,406.82x = 115,109.64 × 47,602.18
4. Step 4: Simplify right side
   83,406.82x = 5,479,469,227.47
5. Step 5: Solve for x
   x = 5,479,469,227.47/83,406.82
6. Step 6: Final answer
   x = 65,695.70