Finding the Fourth Proportional to 152,081.42, 209,873.71 and 84,102.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,081.42 : 209,873.71 = 84,102.96 : x
2. Step 2: Convert to fraction form
   152,081.42/209,873.71 = 84,102.96/x
3. Step 3: Cross multiply
   152,081.42x = 209,873.71 × 84,102.96
4. Step 4: Simplify right side
   152,081.42x = 17,651,001,129.34
5. Step 5: Solve for x
   x = 17,651,001,129.34/152,081.42
6. Step 6: Final answer
   x = 116,062.84