Finding the Fourth Proportional to 63,706.48, 87,907.80 and 38,213.89

Step by Step Solution

1. Step 1: Write the proportion equation
   63,706.48 : 87,907.80 = 38,213.89 : x
2. Step 2: Convert to fraction form
   63,706.48/87,907.80 = 38,213.89/x
3. Step 3: Cross multiply
   63,706.48x = 87,907.80 × 38,213.89
4. Step 4: Simplify right side
   63,706.48x = 3,359,298,999.34
5. Step 5: Solve for x
   x = 3,359,298,999.34/63,706.48
6. Step 6: Final answer
   x = 52,730.88