Finding the Fourth Proportional to 76,061.31, 104,965.31 and 42,068.04

Step by Step Solution

1. Step 1: Write the proportion equation
   76,061.31 : 104,965.31 = 42,068.04 : x
2. Step 2: Convert to fraction form
   76,061.31/104,965.31 = 42,068.04/x
3. Step 3: Cross multiply
   76,061.31x = 104,965.31 × 42,068.04
4. Step 4: Simplify right side
   76,061.31x = 4,415,684,859.69
5. Step 5: Solve for x
   x = 4,415,684,859.69/76,061.31
6. Step 6: Final answer
   x = 58,054.28