Finding the Fourth Proportional to 1,063,653, 1,595,484.72 and 389,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063,653 : 1,595,484.72 = 389,784 : x
2. Step 2: Convert to fraction form
   1,063,653/1,595,484.72 = 389,784/x
3. Step 3: Cross multiply
   1,063,653x = 1,595,484.72 × 389,784
4. Step 4: Simplify right side
   1,063,653x = 621,894,416,100.48
5. Step 5: Solve for x
   x = 621,894,416,100.48/1,063,653
6. Step 6: Final answer
   x = 584,677.91