Finding the Fourth Proportional to 83,938.56, 115,836.53 and 46,212.81

Step by Step Solution

1. Step 1: Write the proportion equation
   83,938.56 : 115,836.53 = 46,212.81 : x
2. Step 2: Convert to fraction form
   83,938.56/115,836.53 = 46,212.81/x
3. Step 3: Cross multiply
   83,938.56x = 115,836.53 × 46,212.81
4. Step 4: Simplify right side
   83,938.56x = 5,353,131,320.89
5. Step 5: Solve for x
   x = 5,353,131,320.89/83,938.56
6. Step 6: Final answer
   x = 63,774.40