Finding the Fourth Proportional to 151,558.05, 209,145.32 and 83,577.89

Step by Step Solution

1. Step 1: Write the proportion equation
   151,558.05 : 209,145.32 = 83,577.89 : x
2. Step 2: Convert to fraction form
   151,558.05/209,145.32 = 83,577.89/x
3. Step 3: Cross multiply
   151,558.05x = 209,145.32 × 83,577.89
4. Step 4: Simplify right side
   151,558.05x = 17,479,924,653.95
5. Step 5: Solve for x
   x = 17,479,924,653.95/151,558.05
6. Step 6: Final answer
   x = 115,334.85