Finding the Fourth Proportional to 83,928.69, 115,817.96 and 45,688.29

Step by Step Solution

1. Step 1: Write the proportion equation
   83,928.69 : 115,817.96 = 45,688.29 : x
2. Step 2: Convert to fraction form
   83,928.69/115,817.96 = 45,688.29/x
3. Step 3: Cross multiply
   83,928.69x = 115,817.96 × 45,688.29
4. Step 4: Simplify right side
   83,928.69x = 5,291,524,315.25
5. Step 5: Solve for x
   x = 5,291,524,315.25/83,928.69
6. Step 6: Final answer
   x = 63,047.86