Finding the Fourth Proportional to 112,919.59, 169,445.00 and 50,590.09

Step by Step Solution

1. Step 1: Write the proportion equation
   112,919.59 : 169,445.00 = 50,590.09 : x
2. Step 2: Convert to fraction form
   112,919.59/169,445.00 = 50,590.09/x
3. Step 3: Cross multiply
   112,919.59x = 169,445.00 × 50,590.09
4. Step 4: Simplify right side
   112,919.59x = 8,572,237,123.49
5. Step 5: Solve for x
   x = 8,572,237,123.49/112,919.59
6. Step 6: Final answer
   x = 75,914.53