Finding the Fourth Proportional to 3,520,139.31, 5,280,164.42 and 1,123,953.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,520,139.31 : 5,280,164.42 = 1,123,953.57 : x
2. Step 2: Convert to fraction form
   3,520,139.31/5,280,164.42 = 1,123,953.57/x
3. Step 3: Cross multiply
   3,520,139.31x = 5,280,164.42 × 1,123,953.57
4. Step 4: Simplify right side
   3,520,139.31x = 5,934,659,644,426.21
5. Step 5: Solve for x
   x = 5,934,659,644,426.21/3,520,139.31
6. Step 6: Final answer
   x = 1,685,916.13