Finding the Fourth Proportional to 101,340.56, 139,858.58 and 58,896.34

Step by Step Solution

1. Step 1: Write the proportion equation
   101,340.56 : 139,858.58 = 58,896.34 : x
2. Step 2: Convert to fraction form
   101,340.56/139,858.58 = 58,896.34/x
3. Step 3: Cross multiply
   101,340.56x = 139,858.58 × 58,896.34
4. Step 4: Simplify right side
   101,340.56x = 8,237,158,479.60
5. Step 5: Solve for x
   x = 8,237,158,479.60/101,340.56
6. Step 6: Final answer
   x = 81,281.95