Finding the Fourth Proportional to 2,160,882.72, 2,978,461.80 and 1,532,436.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,882.72 : 2,978,461.80 = 1,532,436.12 : x
2. Step 2: Convert to fraction form
   2,160,882.72/2,978,461.80 = 1,532,436.12/x
3. Step 3: Cross multiply
   2,160,882.72x = 2,978,461.80 × 1,532,436.12
4. Step 4: Simplify right side
   2,160,882.72x = 4,564,302,444,360.22
5. Step 5: Solve for x
   x = 4,564,302,444,360.22/2,160,882.72
6. Step 6: Final answer
   x = 2,112,239.78