Finding the Fourth Proportional to 76,116.42, 105,141.06 and 58,429.98

Step by Step Solution

1. Step 1: Write the proportion equation
   76,116.42 : 105,141.06 = 58,429.98 : x
2. Step 2: Convert to fraction form
   76,116.42/105,141.06 = 58,429.98/x
3. Step 3: Cross multiply
   76,116.42x = 105,141.06 × 58,429.98
4. Step 4: Simplify right side
   76,116.42x = 6,143,390,032.98
5. Step 5: Solve for x
   x = 6,143,390,032.98/76,116.42
6. Step 6: Final answer
   x = 80,710.44