Finding the Fourth Proportional to 112,244.72, 154,892.88 and 61,256.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,244.72 : 154,892.88 = 61,256.16 : x
2. Step 2: Convert to fraction form
   112,244.72/154,892.88 = 61,256.16/x
3. Step 3: Cross multiply
   112,244.72x = 154,892.88 × 61,256.16
4. Step 4: Simplify right side
   112,244.72x = 9,488,143,040.14
5. Step 5: Solve for x
   x = 9,488,143,040.14/112,244.72
6. Step 6: Final answer
   x = 84,530.86