Finding the Fourth Proportional to 124,820.16, 186,264.24 and 111,528

Step by Step Solution

1. Step 1: Write the proportion equation
   124,820.16 : 186,264.24 = 111,528 : x
2. Step 2: Convert to fraction form
   124,820.16/186,264.24 = 111,528/x
3. Step 3: Cross multiply
   124,820.16x = 186,264.24 × 111,528
4. Step 4: Simplify right side
   124,820.16x = 20,773,678,158.72
5. Step 5: Solve for x
   x = 20,773,678,158.72/124,820.16
6. Step 6: Final answer
   x = 166,428.87