Finding the Fourth Proportional to 1,980,126.47, 2,732,106.17 and 1,120,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980,126.47 : 2,732,106.17 = 1,120,686.72 : x
2. Step 2: Convert to fraction form
   1,980,126.47/2,732,106.17 = 1,120,686.72/x
3. Step 3: Cross multiply
   1,980,126.47x = 2,732,106.17 × 1,120,686.72
4. Step 4: Simplify right side
   1,980,126.47x = 3,061,835,111,193.60
5. Step 5: Solve for x
   x = 3,061,835,111,193.60/1,980,126.47
6. Step 6: Final answer
   x = 1,546,282.60