Finding the Fourth Proportional to 76,098.42, 105,116.16 and 58,411.98

Step by Step Solution

1. Step 1: Write the proportion equation
   76,098.42 : 105,116.16 = 58,411.98 : x
2. Step 2: Convert to fraction form
   76,098.42/105,116.16 = 58,411.98/x
3. Step 3: Cross multiply
   76,098.42x = 105,116.16 × 58,411.98
4. Step 4: Simplify right side
   76,098.42x = 6,140,043,035.60
5. Step 5: Solve for x
   x = 6,140,043,035.60/76,098.42
6. Step 6: Final answer
   x = 80,685.55