Finding the Fourth Proportional to 114,492.48, 171,684.18 and 42,421.92

Step by Step Solution

1. Step 1: Write the proportion equation
   114,492.48 : 171,684.18 = 42,421.92 : x
2. Step 2: Convert to fraction form
   114,492.48/171,684.18 = 42,421.92/x
3. Step 3: Cross multiply
   114,492.48x = 171,684.18 × 42,421.92
4. Step 4: Simplify right side
   114,492.48x = 7,283,172,549.23
5. Step 5: Solve for x
   x = 7,283,172,549.23/114,492.48
6. Step 6: Final answer
   x = 63,612.67