Finding the Fourth Proportional to 1,300,387.50, 1,951,351.83 and 724,492.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,387.50 : 1,951,351.83 = 724,492.81 : x
2. Step 2: Convert to fraction form
   1,300,387.50/1,951,351.83 = 724,492.81/x
3. Step 3: Cross multiply
   1,300,387.50x = 1,951,351.83 × 724,492.81
4. Step 4: Simplify right side
   1,300,387.50x = 1,413,740,370,615.34
5. Step 5: Solve for x
   x = 1,413,740,370,615.34/1,300,387.50
6. Step 6: Final answer
   x = 1,087,168.53