Finding the Fourth Proportional to 1,059,847.84, 1,590,196.56 and 385,976.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059,847.84 : 1,590,196.56 = 385,976.08 : x
2. Step 2: Convert to fraction form
   1,059,847.84/1,590,196.56 = 385,976.08/x
3. Step 3: Cross multiply
   1,059,847.84x = 1,590,196.56 × 385,976.08
4. Step 4: Simplify right side
   1,059,847.84x = 613,777,834,658.29
5. Step 5: Solve for x
   x = 613,777,834,658.29/1,059,847.84
6. Step 6: Final answer
   x = 579,118.82