Finding the Fourth Proportional to 76,300.94, 114,303.81 and 42,919.58

Step by Step Solution

1. Step 1: Write the proportion equation
   76,300.94 : 114,303.81 = 42,919.58 : x
2. Step 2: Convert to fraction form
   76,300.94/114,303.81 = 42,919.58/x
3. Step 3: Cross multiply
   76,300.94x = 114,303.81 × 42,919.58
4. Step 4: Simplify right side
   76,300.94x = 4,905,871,517.60
5. Step 5: Solve for x
   x = 4,905,871,517.60/76,300.94
6. Step 6: Final answer
   x = 64,296.34