Finding the Fourth Proportional to 112,296.30, 154,962.24 and 61,298.88

Step by Step Solution

1. Step 1: Write the proportion equation
   112,296.30 : 154,962.24 = 61,298.88 : x
2. Step 2: Convert to fraction form
   112,296.30/154,962.24 = 61,298.88/x
3. Step 3: Cross multiply
   112,296.30x = 154,962.24 × 61,298.88
4. Step 4: Simplify right side
   112,296.30x = 9,499,011,754.29
5. Step 5: Solve for x
   x = 9,499,011,754.29/112,296.30
6. Step 6: Final answer
   x = 84,588.82