Finding the Fourth Proportional to 2,194,863.54, 3,292,887.01 and 915,045.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194,863.54 : 3,292,887.01 = 915,045.72 : x
2. Step 2: Convert to fraction form
   2,194,863.54/3,292,887.01 = 915,045.72/x
3. Step 3: Cross multiply
   2,194,863.54x = 3,292,887.01 × 915,045.72
4. Step 4: Simplify right side
   2,194,863.54x = 3,013,142,164,944.10
5. Step 5: Solve for x
   x = 3,013,142,164,944.10/2,194,863.54
6. Step 6: Final answer
   x = 1,372,815.26