Finding the Fourth Proportional to 76,127.14, 105,055.62 and 42,137.94

Step by Step Solution

1. Step 1: Write the proportion equation
   76,127.14 : 105,055.62 = 42,137.94 : x
2. Step 2: Convert to fraction form
   76,127.14/105,055.62 = 42,137.94/x
3. Step 3: Cross multiply
   76,127.14x = 105,055.62 × 42,137.94
4. Step 4: Simplify right side
   76,127.14x = 4,426,827,412.22
5. Step 5: Solve for x
   x = 4,426,827,412.22/76,127.14
6. Step 6: Final answer
   x = 58,150.45