Finding the Fourth Proportional to 76,555.32, 105,675.89 and 51,052.47

Step by Step Solution

1. Step 1: Write the proportion equation
   76,555.32 : 105,675.89 = 51,052.47 : x
2. Step 2: Convert to fraction form
   76,555.32/105,675.89 = 51,052.47/x
3. Step 3: Cross multiply
   76,555.32x = 105,675.89 × 51,052.47
4. Step 4: Simplify right side
   76,555.32x = 5,395,014,948.69
5. Step 5: Solve for x
   x = 5,395,014,948.69/76,555.32
6. Step 6: Final answer
   x = 70,472.11