Finding the Fourth Proportional to 76,141.08, 105,074.82 and 42,607.08

Step by Step Solution

1. Step 1: Write the proportion equation
   76,141.08 : 105,074.82 = 42,607.08 : x
2. Step 2: Convert to fraction form
   76,141.08/105,074.82 = 42,607.08/x
3. Step 3: Cross multiply
   76,141.08x = 105,074.82 × 42,607.08
4. Step 4: Simplify right side
   76,141.08x = 4,476,931,261.73
5. Step 5: Solve for x
   x = 4,476,931,261.73/76,141.08
6. Step 6: Final answer
   x = 58,797.84