Finding the Fourth Proportional to 83,770.89, 115,603.71 and 45,530.34

Step by Step Solution

1. Step 1: Write the proportion equation
   83,770.89 : 115,603.71 = 45,530.34 : x
2. Step 2: Convert to fraction form
   83,770.89/115,603.71 = 45,530.34/x
3. Step 3: Cross multiply
   83,770.89x = 115,603.71 × 45,530.34
4. Step 4: Simplify right side
   83,770.89x = 5,263,476,221.56
5. Step 5: Solve for x
   x = 5,263,476,221.56/83,770.89
6. Step 6: Final answer
   x = 62,831.80