Finding the Fourth Proportional to 152,610.69, 210,598.86 and 84,626.58

Step by Step Solution

1. Step 1: Write the proportion equation
   152,610.69 : 210,598.86 = 84,626.58 : x
2. Step 2: Convert to fraction form
   152,610.69/210,598.86 = 84,626.58/x
3. Step 3: Cross multiply
   152,610.69x = 210,598.86 × 84,626.58
4. Step 4: Simplify right side
   152,610.69x = 17,822,261,273.70
5. Step 5: Solve for x
   x = 17,822,261,273.70/152,610.69
6. Step 6: Final answer
   x = 116,782.52