Finding the Fourth Proportional to 1,386,196.50, 1,912,956.93 and 750,292.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386,196.50 : 1,912,956.93 = 750,292.50 : x
2. Step 2: Convert to fraction form
   1,386,196.50/1,912,956.93 = 750,292.50/x
3. Step 3: Cross multiply
   1,386,196.50x = 1,912,956.93 × 750,292.50
4. Step 4: Simplify right side
   1,386,196.50x = 1,435,277,237,402.03
5. Step 5: Solve for x
   x = 1,435,277,237,402.03/1,386,196.50
6. Step 6: Final answer
   x = 1,035,406.77