Finding the Fourth Proportional to 76,795.42, 105,978.82 and 42,802.96

Step by Step Solution

1. Step 1: Write the proportion equation
   76,795.42 : 105,978.82 = 42,802.96 : x
2. Step 2: Convert to fraction form
   76,795.42/105,978.82 = 42,802.96/x
3. Step 3: Cross multiply
   76,795.42x = 105,978.82 × 42,802.96
4. Step 4: Simplify right side
   76,795.42x = 4,536,207,193.31
5. Step 5: Solve for x
   x = 4,536,207,193.31/76,795.42
6. Step 6: Final answer
   x = 59,068.72