Finding the Fourth Proportional to 82,111.14, 113,254.58 and 53,377.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,111.14 : 113,254.58 = 53,377.20 : x
2. Step 2: Convert to fraction form
   82,111.14/113,254.58 = 53,377.20/x
3. Step 3: Cross multiply
   82,111.14x = 113,254.58 × 53,377.20
4. Step 4: Simplify right side
   82,111.14x = 6,045,212,100.69
5. Step 5: Solve for x
   x = 6,045,212,100.69/82,111.14
6. Step 6: Final answer
   x = 73,622.31