Finding the Fourth Proportional to 82,288.09, 113,602.76 and 51,693.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,288.09 : 113,602.76 = 51,693.10 : x
2. Step 2: Convert to fraction form
   82,288.09/113,602.76 = 51,693.10/x
3. Step 3: Cross multiply
   82,288.09x = 113,602.76 × 51,693.10
4. Step 4: Simplify right side
   82,288.09x = 5,872,478,290.48
5. Step 5: Solve for x
   x = 5,872,478,290.48/82,288.09
6. Step 6: Final answer
   x = 71,364.87