Finding the Fourth Proportional to 191,530.72, 287,199.96 and 111,594.52

Step by Step Solution

1. Step 1: Write the proportion equation
   191,530.72 : 287,199.96 = 111,594.52 : x
2. Step 2: Convert to fraction form
   191,530.72/287,199.96 = 111,594.52/x
3. Step 3: Cross multiply
   191,530.72x = 287,199.96 × 111,594.52
4. Step 4: Simplify right side
   191,530.72x = 32,049,941,680.22
5. Step 5: Solve for x
   x = 32,049,941,680.22/191,530.72
6. Step 6: Final answer
   x = 167,335.78