Finding the Fourth Proportional to 1,915,118.72, 2,872,366.96 and 904,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,118.72 : 2,872,366.96 = 904,238.72 : x
2. Step 2: Convert to fraction form
   1,915,118.72/2,872,366.96 = 904,238.72/x
3. Step 3: Cross multiply
   1,915,118.72x = 2,872,366.96 × 904,238.72
4. Step 4: Simplify right side
   1,915,118.72x = 2,597,305,423,280.69
5. Step 5: Solve for x
   x = 2,597,305,423,280.69/1,915,118.72
6. Step 6: Final answer
   x = 1,356,211.18