Finding the Fourth Proportional to 112,297.90, 154,964.46 and 61,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   112,297.90 : 154,964.46 = 61,300.48 : x
2. Step 2: Convert to fraction form
   112,297.90/154,964.46 = 61,300.48/x
3. Step 3: Cross multiply
   112,297.90x = 154,964.46 × 61,300.48
4. Step 4: Simplify right side
   112,297.90x = 9,499,395,780.94
5. Step 5: Solve for x
   x = 9,499,395,780.94/112,297.90
6. Step 6: Final answer
   x = 84,591.04