Finding the Fourth Proportional to 152,618.58, 210,615.53 and 84,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,618.58 : 210,615.53 = 84,636.50 : x
2. Step 2: Convert to fraction form
   152,618.58/210,615.53 = 84,636.50/x
3. Step 3: Cross multiply
   152,618.58x = 210,615.53 × 84,636.50
4. Step 4: Simplify right side
   152,618.58x = 17,825,759,828.58
5. Step 5: Solve for x
   x = 17,825,759,828.58/152,618.58
6. Step 6: Final answer
   x = 116,799.41