Finding the Fourth Proportional to 942,108.17, 1,300,105.63 and 512,395.47

Step by Step Solution

1. Step 1: Write the proportion equation
   942,108.17 : 1,300,105.63 = 512,395.47 : x
2. Step 2: Convert to fraction form
   942,108.17/1,300,105.63 = 512,395.47/x
3. Step 3: Cross multiply
   942,108.17x = 1,300,105.63 × 512,395.47
4. Step 4: Simplify right side
   942,108.17x = 666,168,235,333.50
5. Step 5: Solve for x
   x = 666,168,235,333.50/942,108.17
6. Step 6: Final answer
   x = 707,103.77