Finding the Fourth Proportional to 63,773.32, 88,128.56 and 47,830.09

Step by Step Solution

1. Step 1: Write the proportion equation
   63,773.32 : 88,128.56 = 47,830.09 : x
2. Step 2: Convert to fraction form
   63,773.32/88,128.56 = 47,830.09/x
3. Step 3: Cross multiply
   63,773.32x = 88,128.56 × 47,830.09
4. Step 4: Simplify right side
   63,773.32x = 4,215,196,496.90
5. Step 5: Solve for x
   x = 4,215,196,496.90/63,773.32
6. Step 6: Final answer
   x = 66,096.55