Finding the Fourth Proportional to 374,875.10, 517,314.78 and 213,782.00

Step by Step Solution

1. Step 1: Write the proportion equation
   374,875.10 : 517,314.78 = 213,782.00 : x
2. Step 2: Convert to fraction form
   374,875.10/517,314.78 = 213,782.00/x
3. Step 3: Cross multiply
   374,875.10x = 517,314.78 × 213,782.00
4. Step 4: Simplify right side
   374,875.10x = 110,592,588,020.02
5. Step 5: Solve for x
   x = 110,592,588,020.02/374,875.10
6. Step 6: Final answer
   x = 295,011.82