Finding the Fourth Proportional to 83,435.76, 115,152.30 and 47,617.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,435.76 : 115,152.30 = 47,617.56 : x
2. Step 2: Convert to fraction form
   83,435.76/115,152.30 = 47,617.56/x
3. Step 3: Cross multiply
   83,435.76x = 115,152.30 × 47,617.56
4. Step 4: Simplify right side
   83,435.76x = 5,483,271,554.39
5. Step 5: Solve for x
   x = 5,483,271,554.39/83,435.76
6. Step 6: Final answer
   x = 65,718.48