Finding the Fourth Proportional to 1,059,060.20, 1,588,091.31 and 384,665.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,059,060.20 : 1,588,091.31 = 384,665.94 : x
2. Step 2: Convert to fraction form
   1,059,060.20/1,588,091.31 = 384,665.94/x
3. Step 3: Cross multiply
   1,059,060.20x = 1,588,091.31 × 384,665.94
4. Step 4: Simplify right side
   1,059,060.20x = 610,884,636,566.98
5. Step 5: Solve for x
   x = 610,884,636,566.98/1,059,060.20
6. Step 6: Final answer
   x = 576,817.67