Finding the Fourth Proportional to 67,541.49, 100,830.05 and 58,686.57

Step by Step Solution

1. Step 1: Write the proportion equation
   67,541.49 : 100,830.05 = 58,686.57 : x
2. Step 2: Convert to fraction form
   67,541.49/100,830.05 = 58,686.57/x
3. Step 3: Cross multiply
   67,541.49x = 100,830.05 × 58,686.57
4. Step 4: Simplify right side
   67,541.49x = 5,917,369,494.00
5. Step 5: Solve for x
   x = 5,917,369,494.00/67,541.49
6. Step 6: Final answer
   x = 87,610.88