Finding the Fourth Proportional to 83,791.78, 115,633.32 and 45,551.32

Step by Step Solution

1. Step 1: Write the proportion equation
   83,791.78 : 115,633.32 = 45,551.32 : x
2. Step 2: Convert to fraction form
   83,791.78/115,633.32 = 45,551.32/x
3. Step 3: Cross multiply
   83,791.78x = 115,633.32 × 45,551.32
4. Step 4: Simplify right side
   83,791.78x = 5,267,250,361.98
5. Step 5: Solve for x
   x = 5,267,250,361.98/83,791.78
6. Step 6: Final answer
   x = 62,861.18