Finding the Fourth Proportional to 76,551.75, 105,643.71 and 42,094.70

Step by Step Solution

1. Step 1: Write the proportion equation
   76,551.75 : 105,643.71 = 42,094.70 : x
2. Step 2: Convert to fraction form
   76,551.75/105,643.71 = 42,094.70/x
3. Step 3: Cross multiply
   76,551.75x = 105,643.71 × 42,094.70
4. Step 4: Simplify right side
   76,551.75x = 4,447,040,279.34
5. Step 5: Solve for x
   x = 4,447,040,279.34/76,551.75
6. Step 6: Final answer
   x = 58,091.95