Finding the Fourth Proportional to 593,408.94, 890,100.86 and 144,131.91

Step by Step Solution

1. Step 1: Write the proportion equation
   593,408.94 : 890,100.86 = 144,131.91 : x
2. Step 2: Convert to fraction form
   593,408.94/890,100.86 = 144,131.91/x
3. Step 3: Cross multiply
   593,408.94x = 890,100.86 × 144,131.91
4. Step 4: Simplify right side
   593,408.94x = 128,291,936,323.78
5. Step 5: Solve for x
   x = 128,291,936,323.78/593,408.94
6. Step 6: Final answer
   x = 216,194.82