Finding the Fourth Proportional to 191,528.72, 287,196.96 and 111,592.52

Step by Step Solution

1. Step 1: Write the proportion equation
   191,528.72 : 287,196.96 = 111,592.52 : x
2. Step 2: Convert to fraction form
   191,528.72/287,196.96 = 111,592.52/x
3. Step 3: Cross multiply
   191,528.72x = 287,196.96 × 111,592.52
4. Step 4: Simplify right side
   191,528.72x = 32,049,032,502.74
5. Step 5: Solve for x
   x = 32,049,032,502.74/191,528.72
6. Step 6: Final answer
   x = 167,332.78