Finding the Fourth Proportional to 83,591.78, 115,356.30 and 45,865.22

Step by Step Solution

1. Step 1: Write the proportion equation
   83,591.78 : 115,356.30 = 45,865.22 : x
2. Step 2: Convert to fraction form
   83,591.78/115,356.30 = 45,865.22/x
3. Step 3: Cross multiply
   83,591.78x = 115,356.30 × 45,865.22
4. Step 4: Simplify right side
   83,591.78x = 5,290,842,077.89
5. Step 5: Solve for x
   x = 5,290,842,077.89/83,591.78
6. Step 6: Final answer
   x = 63,293.81