Finding the Fourth Proportional to 1,603,667.34, 2,213,003.16 and 915,374.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603,667.34 : 2,213,003.16 = 915,374.70 : x
2. Step 2: Convert to fraction form
   1,603,667.34/2,213,003.16 = 915,374.70/x
3. Step 3: Cross multiply
   1,603,667.34x = 2,213,003.16 × 915,374.70
4. Step 4: Simplify right side
   1,603,667.34x = 2,025,727,103,684.05
5. Step 5: Solve for x
   x = 2,025,727,103,684.05/1,603,667.34
6. Step 6: Final answer
   x = 1,263,184.11