Finding the Fourth Proportional to 76,103.96, 105,051.33 and 45,890.55

Step by Step Solution

1. Step 1: Write the proportion equation
   76,103.96 : 105,051.33 = 45,890.55 : x
2. Step 2: Convert to fraction form
   76,103.96/105,051.33 = 45,890.55/x
3. Step 3: Cross multiply
   76,103.96x = 105,051.33 × 45,890.55
4. Step 4: Simplify right side
   76,103.96x = 4,820,863,311.93
5. Step 5: Solve for x
   x = 4,820,863,311.93/76,103.96
6. Step 6: Final answer
   x = 63,345.77