Finding the Fourth Proportional to 76,730.76, 105,903.16 and 43,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   76,730.76 : 105,903.16 = 43,196.76 : x
2. Step 2: Convert to fraction form
   76,730.76/105,903.16 = 43,196.76/x
3. Step 3: Cross multiply
   76,730.76x = 105,903.16 × 43,196.76
4. Step 4: Simplify right side
   76,730.76x = 4,574,673,277.77
5. Step 5: Solve for x
   x = 4,574,673,277.77/76,730.76
6. Step 6: Final answer
   x = 59,619.81