Finding the Fourth Proportional to 112,288.28, 154,962.33 and 61,304.45

Step by Step Solution

1. Step 1: Write the proportion equation
   112,288.28 : 154,962.33 = 61,304.45 : x
2. Step 2: Convert to fraction form
   112,288.28/154,962.33 = 61,304.45/x
3. Step 3: Cross multiply
   112,288.28x = 154,962.33 × 61,304.45
4. Step 4: Simplify right side
   112,288.28x = 9,499,880,411.37
5. Step 5: Solve for x
   x = 9,499,880,411.37/112,288.28
6. Step 6: Final answer
   x = 84,602.60