Finding the Fourth Proportional to 83,619, 115,393.68 and 45,893.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,619 : 115,393.68 = 45,893.52 : x
2. Step 2: Convert to fraction form
   83,619/115,393.68 = 45,893.52/x
3. Step 3: Cross multiply
   83,619x = 115,393.68 × 45,893.52
4. Step 4: Simplify right side
   83,619x = 5,295,822,160.95
5. Step 5: Solve for x
   x = 5,295,822,160.95/83,619
6. Step 6: Final answer
   x = 63,332.76