Finding the Fourth Proportional to 83,627.31, 115,403.78 and 45,386.93

Step by Step Solution

1. Step 1: Write the proportion equation
   83,627.31 : 115,403.78 = 45,386.93 : x
2. Step 2: Convert to fraction form
   83,627.31/115,403.78 = 45,386.93/x
3. Step 3: Cross multiply
   83,627.31x = 115,403.78 × 45,386.93
4. Step 4: Simplify right side
   83,627.31x = 5,237,823,284.60
5. Step 5: Solve for x
   x = 5,237,823,284.60/83,627.31
6. Step 6: Final answer
   x = 62,632.93