Finding the Fourth Proportional to 152,635.47, 210,649.56 and 84,674.37

Step by Step Solution

1. Step 1: Write the proportion equation
   152,635.47 : 210,649.56 = 84,674.37 : x
2. Step 2: Convert to fraction form
   152,635.47/210,649.56 = 84,674.37/x
3. Step 3: Cross multiply
   152,635.47x = 210,649.56 × 84,674.37
4. Step 4: Simplify right side
   152,635.47x = 17,836,618,783.78
5. Step 5: Solve for x
   x = 17,836,618,783.78/152,635.47
6. Step 6: Final answer
   x = 116,857.63