Finding the Fourth Proportional to 1,905,126.50, 2,629,108.50 and 1,045,766.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905,126.50 : 2,629,108.50 = 1,045,766.72 : x
2. Step 2: Convert to fraction form
   1,905,126.50/2,629,108.50 = 1,045,766.72/x
3. Step 3: Cross multiply
   1,905,126.50x = 2,629,108.50 × 1,045,766.72
4. Step 4: Simplify right side
   1,905,126.50x = 2,749,434,172,569.12
5. Step 5: Solve for x
   x = 2,749,434,172,569.12/1,905,126.50
6. Step 6: Final answer
   x = 1,443,176.70