Finding the Fourth Proportional to 76,515.07, 105,588.27 and 42,059.92

Step by Step Solution

1. Step 1: Write the proportion equation
   76,515.07 : 105,588.27 = 42,059.92 : x
2. Step 2: Convert to fraction form
   76,515.07/105,588.27 = 42,059.92/x
3. Step 3: Cross multiply
   76,515.07x = 105,588.27 × 42,059.92
4. Step 4: Simplify right side
   76,515.07x = 4,441,034,189.14
5. Step 5: Solve for x
   x = 4,441,034,189.14/76,515.07
6. Step 6: Final answer
   x = 58,041.30