Finding the Fourth Proportional to 112,308.47, 154,984.50 and 61,321.04

Step by Step Solution

1. Step 1: Write the proportion equation
   112,308.47 : 154,984.50 = 61,321.04 : x
2. Step 2: Convert to fraction form
   112,308.47/154,984.50 = 61,321.04/x
3. Step 3: Cross multiply
   112,308.47x = 154,984.50 × 61,321.04
4. Step 4: Simplify right side
   112,308.47x = 9,503,810,489.72
5. Step 5: Solve for x
   x = 9,503,810,489.72/112,308.47
6. Step 6: Final answer
   x = 84,622.39