Finding the Fourth Proportional to 76,795.41, 105,978.83 and 42,802.95

Step by Step Solution

1. Step 1: Write the proportion equation
   76,795.41 : 105,978.83 = 42,802.95 : x
2. Step 2: Convert to fraction form
   76,795.41/105,978.83 = 42,802.95/x
3. Step 3: Cross multiply
   76,795.41x = 105,978.83 × 42,802.95
4. Step 4: Simplify right side
   76,795.41x = 4,536,206,561.55
5. Step 5: Solve for x
   x = 4,536,206,561.55/76,795.41
6. Step 6: Final answer
   x = 59,068.72