Finding the Fourth Proportional to 76,602.25, 105,717.50 and 42,617.14

Step by Step Solution

1. Step 1: Write the proportion equation
   76,602.25 : 105,717.50 = 42,617.14 : x
2. Step 2: Convert to fraction form
   76,602.25/105,717.50 = 42,617.14/x
3. Step 3: Cross multiply
   76,602.25x = 105,717.50 × 42,617.14
4. Step 4: Simplify right side
   76,602.25x = 4,505,377,549.16
5. Step 5: Solve for x
   x = 4,505,377,549.16/76,602.25
6. Step 6: Final answer
   x = 58,815.21