Finding the Fourth Proportional to 1,918,908.15, 2,648,134.53 and 1,059,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,908.15 : 2,648,134.53 = 1,059,522.72 : x
2. Step 2: Convert to fraction form
   1,918,908.15/2,648,134.53 = 1,059,522.72/x
3. Step 3: Cross multiply
   1,918,908.15x = 2,648,134.53 × 1,059,522.72
4. Step 4: Simplify right side
   1,918,908.15x = 2,805,758,700,151.52
5. Step 5: Solve for x
   x = 2,805,758,700,151.52/1,918,908.15
6. Step 6: Final answer
   x = 1,462,164.15