Finding the Fourth Proportional to 1,428,587.52, 1,971,444.56 and 784,018.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,587.52 : 1,971,444.56 = 784,018.14 : x
2. Step 2: Convert to fraction form
   1,428,587.52/1,971,444.56 = 784,018.14/x
3. Step 3: Cross multiply
   1,428,587.52x = 1,971,444.56 × 784,018.14
4. Step 4: Simplify right side
   1,428,587.52x = 1,545,648,297,044.32
5. Step 5: Solve for x
   x = 1,545,648,297,044.32/1,428,587.52
6. Step 6: Final answer
   x = 1,081,941.62