Finding the Fourth Proportional to 78,953.50, 108,955.83 and 45,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,953.50 : 108,955.83 = 45,419.50 : x
2. Step 2: Convert to fraction form
   78,953.50/108,955.83 = 45,419.50/x
3. Step 3: Cross multiply
   78,953.50x = 108,955.83 × 45,419.50
4. Step 4: Simplify right side
   78,953.50x = 4,948,719,320.69
5. Step 5: Solve for x
   x = 4,948,719,320.69/78,953.50
6. Step 6: Final answer
   x = 62,678.91