Finding the Fourth Proportional to 81,560.04, 112,529.72 and 47,570.01

Step by Step Solution

1. Step 1: Write the proportion equation
   81,560.04 : 112,529.72 = 47,570.01 : x
2. Step 2: Convert to fraction form
   81,560.04/112,529.72 = 47,570.01/x
3. Step 3: Cross multiply
   81,560.04x = 112,529.72 × 47,570.01
4. Step 4: Simplify right side
   81,560.04x = 5,353,039,667.85
5. Step 5: Solve for x
   x = 5,353,039,667.85/81,560.04
6. Step 6: Final answer
   x = 65,633.12