Finding the Fourth Proportional to 78,228.42, 117,300.24 and 27,602.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,228.42 : 117,300.24 = 27,602.10 : x
2. Step 2: Convert to fraction form
   78,228.42/117,300.24 = 27,602.10/x
3. Step 3: Cross multiply
   78,228.42x = 117,300.24 × 27,602.10
4. Step 4: Simplify right side
   78,228.42x = 3,237,732,954.50
5. Step 5: Solve for x
   x = 3,237,732,954.50/78,228.42
6. Step 6: Final answer
   x = 41,388.19