Finding the Fourth Proportional to 116,985.20, 175,476.24 and 28,238.22

Step by Step Solution

1. Step 1: Write the proportion equation
   116,985.20 : 175,476.24 = 28,238.22 : x
2. Step 2: Convert to fraction form
   116,985.20/175,476.24 = 28,238.22/x
3. Step 3: Cross multiply
   116,985.20x = 175,476.24 × 28,238.22
4. Step 4: Simplify right side
   116,985.20x = 4,955,136,669.89
5. Step 5: Solve for x
   x = 4,955,136,669.89/116,985.20
6. Step 6: Final answer
   x = 42,356.96