Finding the Fourth Proportional to 112,104.72, 154,713.96 and 61,814.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,104.72 : 154,713.96 = 61,814.16 : x
2. Step 2: Convert to fraction form
   112,104.72/154,713.96 = 61,814.16/x
3. Step 3: Cross multiply
   112,104.72x = 154,713.96 × 61,814.16
4. Step 4: Simplify right side
   112,104.72x = 9,563,513,477.67
5. Step 5: Solve for x
   x = 9,563,513,477.67/112,104.72
6. Step 6: Final answer
   x = 85,308.75