Finding the Fourth Proportional to 942,109.56, 1,300,073.76 and 512,389.44

Step by Step Solution

1. Step 1: Write the proportion equation
   942,109.56 : 1,300,073.76 = 512,389.44 : x
2. Step 2: Convert to fraction form
   942,109.56/1,300,073.76 = 512,389.44/x
3. Step 3: Cross multiply
   942,109.56x = 1,300,073.76 × 512,389.44
4. Step 4: Simplify right side
   942,109.56x = 666,144,065,845.09
5. Step 5: Solve for x
   x = 666,144,065,845.09/942,109.56
6. Step 6: Final answer
   x = 707,077.07