Finding the Fourth Proportional to 152,109.86, 209,913 and 84,123.32

Step by Step Solution

1. Step 1: Write the proportion equation
   152,109.86 : 209,913 = 84,123.32 : x
2. Step 2: Convert to fraction form
   152,109.86/209,913 = 84,123.32/x
3. Step 3: Cross multiply
   152,109.86x = 209,913 × 84,123.32
4. Step 4: Simplify right side
   152,109.86x = 17,658,578,471.16
5. Step 5: Solve for x
   x = 17,658,578,471.16/152,109.86
6. Step 6: Final answer
   x = 116,090.95