Finding the Fourth Proportional to 83,131.50, 114,721.47 and 45,405.84

Step by Step Solution

1. Step 1: Write the proportion equation
   83,131.50 : 114,721.47 = 45,405.84 : x
2. Step 2: Convert to fraction form
   83,131.50/114,721.47 = 45,405.84/x
3. Step 3: Cross multiply
   83,131.50x = 114,721.47 × 45,405.84
4. Step 4: Simplify right side
   83,131.50x = 5,209,024,711.38
5. Step 5: Solve for x
   x = 5,209,024,711.38/83,131.50
6. Step 6: Final answer
   x = 62,660.06