Finding the Fourth Proportional to 112,607.33, 155,380.86 and 64,213.25

Step by Step Solution

1. Step 1: Write the proportion equation
   112,607.33 : 155,380.86 = 64,213.25 : x
2. Step 2: Convert to fraction form
   112,607.33/155,380.86 = 64,213.25/x
3. Step 3: Cross multiply
   112,607.33x = 155,380.86 × 64,213.25
4. Step 4: Simplify right side
   112,607.33x = 9,977,509,231.49
5. Step 5: Solve for x
   x = 9,977,509,231.49/112,607.33
6. Step 6: Final answer
   x = 88,604.44