Finding the Fourth Proportional to 1,580,397.63, 2,369,636.49 and 619,702.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580,397.63 : 2,369,636.49 = 619,702.27 : x
2. Step 2: Convert to fraction form
   1,580,397.63/2,369,636.49 = 619,702.27/x
3. Step 3: Cross multiply
   1,580,397.63x = 2,369,636.49 × 619,702.27
4. Step 4: Simplify right side
   1,580,397.63x = 1,468,469,111,927.83
5. Step 5: Solve for x
   x = 1,468,469,111,927.83/1,580,397.63
6. Step 6: Final answer
   x = 929,176.99