Finding the Fourth Proportional to 76,498.84, 105,566.31 and 42,506.46

Step by Step Solution

1. Step 1: Write the proportion equation
   76,498.84 : 105,566.31 = 42,506.46 : x
2. Step 2: Convert to fraction form
   76,498.84/105,566.31 = 42,506.46/x
3. Step 3: Cross multiply
   76,498.84x = 105,566.31 × 42,506.46
4. Step 4: Simplify right side
   76,498.84x = 4,487,250,104.46
5. Step 5: Solve for x
   x = 4,487,250,104.46/76,498.84
6. Step 6: Final answer
   x = 58,657.75