Finding the Fourth Proportional to 76,061.53, 104,968.61 and 42,069.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,061.53 : 104,968.61 = 42,069.88 : x
2. Step 2: Convert to fraction form
   76,061.53/104,968.61 = 42,069.88/x
3. Step 3: Cross multiply
   76,061.53x = 104,968.61 × 42,069.88
4. Step 4: Simplify right side
   76,061.53x = 4,416,016,826.47
5. Step 5: Solve for x
   x = 4,416,016,826.47/76,061.53
6. Step 6: Final answer
   x = 58,058.48