Finding the Fourth Proportional to 76,103.68, 105,005.28 and 45,880.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,103.68 : 105,005.28 = 45,880.96 : x
2. Step 2: Convert to fraction form
   76,103.68/105,005.28 = 45,880.96/x
3. Step 3: Cross multiply
   76,103.68x = 105,005.28 × 45,880.96
4. Step 4: Simplify right side
   76,103.68x = 4,817,743,051.47
5. Step 5: Solve for x
   x = 4,817,743,051.47/76,103.68
6. Step 6: Final answer
   x = 63,304.99