Finding the Fourth Proportional to 112,018.02, 154,580.42 and 61,031.16

Step by Step Solution

1. Step 1: Write the proportion equation
   112,018.02 : 154,580.42 = 61,031.16 : x
2. Step 2: Convert to fraction form
   112,018.02/154,580.42 = 61,031.16/x
3. Step 3: Cross multiply
   112,018.02x = 154,580.42 × 61,031.16
4. Step 4: Simplify right side
   112,018.02x = 9,434,222,345.89
5. Step 5: Solve for x
   x = 9,434,222,345.89/112,018.02
6. Step 6: Final answer
   x = 84,220.58