Finding the Fourth Proportional to 78,066.04, 107,731.14 and 42,256.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,066.04 : 107,731.14 = 42,256.06 : x
2. Step 2: Convert to fraction form
   78,066.04/107,731.14 = 42,256.06/x
3. Step 3: Cross multiply
   78,066.04x = 107,731.14 × 42,256.06
4. Step 4: Simplify right side
   78,066.04x = 4,552,293,515.71
5. Step 5: Solve for x
   x = 4,552,293,515.71/78,066.04
6. Step 6: Final answer
   x = 58,313.37