Finding the Fourth Proportional to 152,776.42, 210,828.29 and 84,789.41

Step by Step Solution

1. Step 1: Write the proportion equation
   152,776.42 : 210,828.29 = 84,789.41 : x
2. Step 2: Convert to fraction form
   152,776.42/210,828.29 = 84,789.41/x
3. Step 3: Cross multiply
   152,776.42x = 210,828.29 × 84,789.41
4. Step 4: Simplify right side
   152,776.42x = 17,876,004,842.32
5. Step 5: Solve for x
   x = 17,876,004,842.32/152,776.42
6. Step 6: Final answer
   x = 117,007.62