Finding the Fourth Proportional to 86,111.07, 118,829.56 and 47,870.53

Step by Step Solution

1. Step 1: Write the proportion equation
   86,111.07 : 118,829.56 = 47,870.53 : x
2. Step 2: Convert to fraction form
   86,111.07/118,829.56 = 47,870.53/x
3. Step 3: Cross multiply
   86,111.07x = 118,829.56 × 47,870.53
4. Step 4: Simplify right side
   86,111.07x = 5,688,434,016.87
5. Step 5: Solve for x
   x = 5,688,434,016.87/86,111.07
6. Step 6: Final answer
   x = 66,059.27