Finding the Fourth Proportional to 81,063.32, 111,858.88 and 47,065.16

Step by Step Solution

1. Step 1: Write the proportion equation
   81,063.32 : 111,858.88 = 47,065.16 : x
2. Step 2: Convert to fraction form
   81,063.32/111,858.88 = 47,065.16/x
3. Step 3: Cross multiply
   81,063.32x = 111,858.88 × 47,065.16
4. Step 4: Simplify right side
   81,063.32x = 5,264,656,084.62
5. Step 5: Solve for x
   x = 5,264,656,084.62/81,063.32
6. Step 6: Final answer
   x = 64,944.98