Finding the Fourth Proportional to 112,132.48, 152,669.92 and 111,782.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,132.48 : 152,669.92 = 111,782.56 : x
2. Step 2: Convert to fraction form
   112,132.48/152,669.92 = 111,782.56/x
3. Step 3: Cross multiply
   112,132.48x = 152,669.92 × 111,782.56
4. Step 4: Simplify right side
   112,132.48x = 17,065,834,492.60
5. Step 5: Solve for x
   x = 17,065,834,492.60/112,132.48
6. Step 6: Final answer
   x = 152,193.50