Finding the Fourth Proportional to 116,742.76, 175,131.42 and 42,865

Step by Step Solution

1. Step 1: Write the proportion equation
   116,742.76 : 175,131.42 = 42,865 : x
2. Step 2: Convert to fraction form
   116,742.76/175,131.42 = 42,865/x
3. Step 3: Cross multiply
   116,742.76x = 175,131.42 × 42,865
4. Step 4: Simplify right side
   116,742.76x = 7,507,008,318.30
5. Step 5: Solve for x
   x = 7,507,008,318.30/116,742.76
6. Step 6: Final answer
   x = 64,303.84