Finding the Fourth Proportional to 47,345.60, 70,993.60 and 14,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   47,345.60 : 70,993.60 = 14,061.12 : x
2. Step 2: Convert to fraction form
   47,345.60/70,993.60 = 14,061.12/x
3. Step 3: Cross multiply
   47,345.60x = 70,993.60 × 14,061.12
4. Step 4: Simplify right side
   47,345.60x = 998,249,528.83
5. Step 5: Solve for x
   x = 998,249,528.83/47,345.60
6. Step 6: Final answer
   x = 21,084.31