Finding the Fourth Proportional to 152,540.43, 228,808.21 and 47,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,540.43 : 228,808.21 = 47,359.50 : x
2. Step 2: Convert to fraction form
   152,540.43/228,808.21 = 47,359.50/x
3. Step 3: Cross multiply
   152,540.43x = 228,808.21 × 47,359.50
4. Step 4: Simplify right side
   152,540.43x = 10,836,242,421.50
5. Step 5: Solve for x
   x = 10,836,242,421.50/152,540.43
6. Step 6: Final answer
   x = 71,038.49