Finding the Fourth Proportional to 1,385,798.50, 1,912,407.69 and 749,894.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,798.50 : 1,912,407.69 = 749,894.50 : x
2. Step 2: Convert to fraction form
   1,385,798.50/1,912,407.69 = 749,894.50/x
3. Step 3: Cross multiply
   1,385,798.50x = 1,912,407.69 × 749,894.50
4. Step 4: Simplify right side
   1,385,798.50x = 1,434,104,008,488.71
5. Step 5: Solve for x
   x = 1,434,104,008,488.71/1,385,798.50
6. Step 6: Final answer
   x = 1,034,857.53