Finding the Fourth Proportional to 112,308.09, 154,985.63 and 61,321.94

Step by Step Solution

1. Step 1: Write the proportion equation
   112,308.09 : 154,985.63 = 61,321.94 : x
2. Step 2: Convert to fraction form
   112,308.09/154,985.63 = 61,321.94/x
3. Step 3: Cross multiply
   112,308.09x = 154,985.63 × 61,321.94
4. Step 4: Simplify right side
   112,308.09x = 9,504,019,720.72
5. Step 5: Solve for x
   x = 9,504,019,720.72/112,308.09
6. Step 6: Final answer
   x = 84,624.53