Finding the Fourth Proportional to 1,912,425.86, 2,639,155.56 and 1,148,492.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,912,425.86 : 2,639,155.56 = 1,148,492.18 : x
2. Step 2: Convert to fraction form
   1,912,425.86/2,639,155.56 = 1,148,492.18/x
3. Step 3: Cross multiply
   1,912,425.86x = 2,639,155.56 × 1,148,492.18
4. Step 4: Simplify right side
   1,912,425.86x = 3,031,049,522,463.52
5. Step 5: Solve for x
   x = 3,031,049,522,463.52/1,912,425.86
6. Step 6: Final answer
   x = 1,584,923.94