Finding the Fourth Proportional to 83,131, 114,721.40 and 45,405.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,131 : 114,721.40 = 45,405.25 : x
2. Step 2: Convert to fraction form
   83,131/114,721.40 = 45,405.25/x
3. Step 3: Cross multiply
   83,131x = 114,721.40 × 45,405.25
4. Step 4: Simplify right side
   83,131x = 5,208,953,847.35
5. Step 5: Solve for x
   x = 5,208,953,847.35/83,131
6. Step 6: Final answer
   x = 62,659.58