Finding the Fourth Proportional to 593,411.69, 890,104.98 and 144,134.66

Step by Step Solution

1. Step 1: Write the proportion equation
   593,411.69 : 890,104.98 = 144,134.66 : x
2. Step 2: Convert to fraction form
   593,411.69/890,104.98 = 144,134.66/x
3. Step 3: Cross multiply
   593,411.69x = 890,104.98 × 144,134.66
4. Step 4: Simplify right side
   593,411.69x = 128,294,978,656.61
5. Step 5: Solve for x
   x = 128,294,978,656.61/593,411.69
6. Step 6: Final answer
   x = 216,198.94