Finding the Fourth Proportional to 2,913,128.52, 4,369,692.70 and 918,584.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,913,128.52 : 4,369,692.70 = 918,584.52 : x
2. Step 2: Convert to fraction form
   2,913,128.52/4,369,692.70 = 918,584.52/x
3. Step 3: Cross multiply
   2,913,128.52x = 4,369,692.70 × 918,584.52
4. Step 4: Simplify right side
   2,913,128.52x = 4,013,932,071,377.00
5. Step 5: Solve for x
   x = 4,013,932,071,377.00/2,913,128.52
6. Step 6: Final answer
   x = 1,377,876.75