Finding the Fourth Proportional to 110,938.32, 153,110.82 and 63,196.20

Step by Step Solution

1. Step 1: Write the proportion equation
   110,938.32 : 153,110.82 = 63,196.20 : x
2. Step 2: Convert to fraction form
   110,938.32/153,110.82 = 63,196.20/x
3. Step 3: Cross multiply
   110,938.32x = 153,110.82 × 63,196.20
4. Step 4: Simplify right side
   110,938.32x = 9,676,022,002.88
5. Step 5: Solve for x
   x = 9,676,022,002.88/110,938.32
6. Step 6: Final answer
   x = 87,219.84