Finding the Fourth Proportional to 105,747.98, 145,941.57 and 58,010.63

Step by Step Solution

1. Step 1: Write the proportion equation
   105,747.98 : 145,941.57 = 58,010.63 : x
2. Step 2: Convert to fraction form
   105,747.98/145,941.57 = 58,010.63/x
3. Step 3: Cross multiply
   105,747.98x = 145,941.57 × 58,010.63
4. Step 4: Simplify right side
   105,747.98x = 8,466,161,689.18
5. Step 5: Solve for x
   x = 8,466,161,689.18/105,747.98
6. Step 6: Final answer
   x = 80,059.80