Finding the Fourth Proportional to 76,518.46, 105,595 and 42,526.41

Step by Step Solution

1. Step 1: Write the proportion equation
   76,518.46 : 105,595 = 42,526.41 : x
2. Step 2: Convert to fraction form
   76,518.46/105,595 = 42,526.41/x
3. Step 3: Cross multiply
   76,518.46x = 105,595 × 42,526.41
4. Step 4: Simplify right side
   76,518.46x = 4,490,576,263.95
5. Step 5: Solve for x
   x = 4,490,576,263.95/76,518.46
6. Step 6: Final answer
   x = 58,686.18