Finding the Fourth Proportional to 81,058.71, 111,860.58 and 47,075.55

Step by Step Solution

1. Step 1: Write the proportion equation
   81,058.71 : 111,860.58 = 47,075.55 : x
2. Step 2: Convert to fraction form
   81,058.71/111,860.58 = 47,075.55/x
3. Step 3: Cross multiply
   81,058.71x = 111,860.58 × 47,075.55
4. Step 4: Simplify right side
   81,058.71x = 5,265,898,326.82
5. Step 5: Solve for x
   x = 5,265,898,326.82/81,058.71
6. Step 6: Final answer
   x = 64,964.00