Finding the Fourth Proportional to 82,746.64, 114,190.86 and 45,021.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82,746.64 : 114,190.86 = 45,021.16 : x
2. Step 2: Convert to fraction form
   82,746.64/114,190.86 = 45,021.16/x
3. Step 3: Cross multiply
   82,746.64x = 114,190.86 × 45,021.16
4. Step 4: Simplify right side
   82,746.64x = 5,141,004,978.60
5. Step 5: Solve for x
   x = 5,141,004,978.60/82,746.64
6. Step 6: Final answer
   x = 62,129.47