Finding the Fourth Proportional to 116,960.17, 175,438.71 and 28,213.03

Step by Step Solution

1. Step 1: Write the proportion equation
   116,960.17 : 175,438.71 = 28,213.03 : x
2. Step 2: Convert to fraction form
   116,960.17/175,438.71 = 28,213.03/x
3. Step 3: Cross multiply
   116,960.17x = 175,438.71 × 28,213.03
4. Step 4: Simplify right side
   116,960.17x = 4,949,657,588.39
5. Step 5: Solve for x
   x = 4,949,657,588.39/116,960.17
6. Step 6: Final answer
   x = 42,319.17