Finding the Fourth Proportional to 152,066.07, 209,842.71 and 84,078.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,066.07 : 209,842.71 = 84,078.96 : x
2. Step 2: Convert to fraction form
   152,066.07/209,842.71 = 84,078.96/x
3. Step 3: Cross multiply
   152,066.07x = 209,842.71 × 84,078.96
4. Step 4: Simplify right side
   152,066.07x = 17,643,357,135.01
5. Step 5: Solve for x
   x = 17,643,357,135.01/152,066.07
6. Step 6: Final answer
   x = 116,024.29