Finding the Fourth Proportional to 672,002.10, 942,047.10 and 672,002.10

Step by Step Solution

1. Step 1: Write the proportion equation
   672,002.10 : 942,047.10 = 672,002.10 : x
2. Step 2: Convert to fraction form
   672,002.10/942,047.10 = 672,002.10/x
3. Step 3: Cross multiply
   672,002.10x = 942,047.10 × 672,002.10
4. Step 4: Simplify right side
   672,002.10x = 633,057,629,498.91
5. Step 5: Solve for x
   x = 633,057,629,498.91/672,002.10
6. Step 6: Final answer
   x = 942,047.10