Finding the Fourth Proportional to 109,037.40, 163,459.17 and 42,462.15

Step by Step Solution

1. Step 1: Write the proportion equation
   109,037.40 : 163,459.17 = 42,462.15 : x
2. Step 2: Convert to fraction form
   109,037.40/163,459.17 = 42,462.15/x
3. Step 3: Cross multiply
   109,037.40x = 163,459.17 × 42,462.15
4. Step 4: Simplify right side
   109,037.40x = 6,940,827,795.42
5. Step 5: Solve for x
   x = 6,940,827,795.42/109,037.40
6. Step 6: Final answer
   x = 63,655.48