Finding the Fourth Proportional to 1,123,702.55, 1,685,569.35 and 365,547.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,702.55 : 1,685,569.35 = 365,547.98 : x
2. Step 2: Convert to fraction form
   1,123,702.55/1,685,569.35 = 365,547.98/x
3. Step 3: Cross multiply
   1,123,702.55x = 1,685,569.35 × 365,547.98
4. Step 4: Simplify right side
   1,123,702.55x = 616,156,462,719.27
5. Step 5: Solve for x
   x = 616,156,462,719.27/1,123,702.55
6. Step 6: Final answer
   x = 548,327.01