Finding the Fourth Proportional to 83,513.84, 115,249.56 and 45,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,513.84 : 115,249.56 = 45,788.72 : x
2. Step 2: Convert to fraction form
   83,513.84/115,249.56 = 45,788.72/x
3. Step 3: Cross multiply
   83,513.84x = 115,249.56 × 45,788.72
4. Step 4: Simplify right side
   83,513.84x = 5,277,129,832.96
5. Step 5: Solve for x
   x = 5,277,129,832.96/83,513.84
6. Step 6: Final answer
   x = 63,188.69