Finding the Fourth Proportional to 81,405.27, 112,340.40 and 53,094.71

Step by Step Solution

1. Step 1: Write the proportion equation
   81,405.27 : 112,340.40 = 53,094.71 : x
2. Step 2: Convert to fraction form
   81,405.27/112,340.40 = 53,094.71/x
3. Step 3: Cross multiply
   81,405.27x = 112,340.40 × 53,094.71
4. Step 4: Simplify right side
   81,405.27x = 5,964,680,693.81
5. Step 5: Solve for x
   x = 5,964,680,693.81/81,405.27
6. Step 6: Final answer
   x = 73,271.43