Finding the Fourth Proportional to 151,669.86, 209,290.19 and 146,574.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,669.86 : 209,290.19 = 146,574.15 : x
2. Step 2: Convert to fraction form
   151,669.86/209,290.19 = 146,574.15/x
3. Step 3: Cross multiply
   151,669.86x = 209,290.19 × 146,574.15
4. Step 4: Simplify right side
   151,669.86x = 30,676,531,702.59
5. Step 5: Solve for x
   x = 30,676,531,702.59/151,669.86
6. Step 6: Final answer
   x = 202,258.59