Finding the Fourth Proportional to 152,643.89, 227,854.01 and 141,387.63

Step by Step Solution

1. Step 1: Write the proportion equation
   152,643.89 : 227,854.01 = 141,387.63 : x
2. Step 2: Convert to fraction form
   152,643.89/227,854.01 = 141,387.63/x
3. Step 3: Cross multiply
   152,643.89x = 227,854.01 × 141,387.63
4. Step 4: Simplify right side
   152,643.89x = 32,215,737,958.91
5. Step 5: Solve for x
   x = 32,215,737,958.91/152,643.89
6. Step 6: Final answer
   x = 211,051.60