Finding the Fourth Proportional to 593,705.68, 890,018.76 and 309,061.82

Step by Step Solution

1. Step 1: Write the proportion equation
   593,705.68 : 890,018.76 = 309,061.82 : x
2. Step 2: Convert to fraction form
   593,705.68/890,018.76 = 309,061.82/x
3. Step 3: Cross multiply
   593,705.68x = 890,018.76 × 309,061.82
4. Step 4: Simplify right side
   593,705.68x = 275,070,820,024.79
5. Step 5: Solve for x
   x = 275,070,820,024.79/593,705.68
6. Step 6: Final answer
   x = 463,311.76