Finding the Fourth Proportional to 152,555.25, 210,506.76 and 84,571.59

Step by Step Solution

1. Step 1: Write the proportion equation
   152,555.25 : 210,506.76 = 84,571.59 : x
2. Step 2: Convert to fraction form
   152,555.25/210,506.76 = 84,571.59/x
3. Step 3: Cross multiply
   152,555.25x = 210,506.76 × 84,571.59
4. Step 4: Simplify right side
   152,555.25x = 17,802,891,398.95
5. Step 5: Solve for x
   x = 17,802,891,398.95/152,555.25
6. Step 6: Final answer
   x = 116,697.99