Finding the Fourth Proportional to 112,131.48, 152,668.56 and 111,781.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,131.48 : 152,668.56 = 111,781.56 : x
2. Step 2: Convert to fraction form
   112,131.48/152,668.56 = 111,781.56/x
3. Step 3: Cross multiply
   112,131.48x = 152,668.56 × 111,781.56
4. Step 4: Simplify right side
   112,131.48x = 17,065,529,799.75
5. Step 5: Solve for x
   x = 17,065,529,799.75/112,131.48
6. Step 6: Final answer
   x = 152,192.14