Finding the Fourth Proportional to 152,106, 209,907 and 85,050.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,106 : 209,907 = 85,050.96 : x
2. Step 2: Convert to fraction form
   152,106/209,907 = 85,050.96/x
3. Step 3: Cross multiply
   152,106x = 209,907 × 85,050.96
4. Step 4: Simplify right side
   152,106x = 17,852,791,860.72
5. Step 5: Solve for x
   x = 17,852,791,860.72/152,106
6. Step 6: Final answer
   x = 117,370.73