Finding the Fourth Proportional to 152,046.38, 209,805.86 and 84,054.22

Step by Step Solution

1. Step 1: Write the proportion equation
   152,046.38 : 209,805.86 = 84,054.22 : x
2. Step 2: Convert to fraction form
   152,046.38/209,805.86 = 84,054.22/x
3. Step 3: Cross multiply
   152,046.38x = 209,805.86 × 84,054.22
4. Step 4: Simplify right side
   152,046.38x = 17,635,068,779.51
5. Step 5: Solve for x
   x = 17,635,068,779.51/152,046.38
6. Step 6: Final answer
   x = 115,984.80