Finding the Fourth Proportional to 191,526.72, 287,193.96 and 111,590.52

Step by Step Solution

1. Step 1: Write the proportion equation
   191,526.72 : 287,193.96 = 111,590.52 : x
2. Step 2: Convert to fraction form
   191,526.72/287,193.96 = 111,590.52/x
3. Step 3: Cross multiply
   191,526.72x = 287,193.96 × 111,590.52
4. Step 4: Simplify right side
   191,526.72x = 32,048,123,337.26
5. Step 5: Solve for x
   x = 32,048,123,337.26/191,526.72
6. Step 6: Final answer
   x = 167,329.78