Finding the Fourth Proportional to 1,074,678.52, 1,483,068.72 and 615,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,678.52 : 1,483,068.72 = 615,784 : x
2. Step 2: Convert to fraction form
   1,074,678.52/1,483,068.72 = 615,784/x
3. Step 3: Cross multiply
   1,074,678.52x = 1,483,068.72 × 615,784
4. Step 4: Simplify right side
   1,074,678.52x = 913,249,988,676.48
5. Step 5: Solve for x
   x = 913,249,988,676.48/1,074,678.52
6. Step 6: Final answer
   x = 849,789.00