Finding the Fourth Proportional to 76,801.41, 105,987.12 and 42,808.95

Step by Step Solution

1. Step 1: Write the proportion equation
   76,801.41 : 105,987.12 = 42,808.95 : x
2. Step 2: Convert to fraction form
   76,801.41/105,987.12 = 42,808.95/x
3. Step 3: Cross multiply
   76,801.41x = 105,987.12 × 42,808.95
4. Step 4: Simplify right side
   76,801.41x = 4,537,197,320.72
5. Step 5: Solve for x
   x = 4,537,197,320.72/76,801.41
6. Step 6: Final answer
   x = 59,077.01