Finding the Fourth Proportional to 65,906.60, 91,100.67 and 60,675.26

Step by Step Solution

1. Step 1: Write the proportion equation
   65,906.60 : 91,100.67 = 60,675.26 : x
2. Step 2: Convert to fraction form
   65,906.60/91,100.67 = 60,675.26/x
3. Step 3: Cross multiply
   65,906.60x = 91,100.67 × 60,675.26
4. Step 4: Simplify right side
   65,906.60x = 5,527,556,838.42
5. Step 5: Solve for x
   x = 5,527,556,838.42/65,906.60
6. Step 6: Final answer
   x = 83,869.55