Finding the Fourth Proportional to 101,308.88, 139,806.32 and 58,870.14

Step by Step Solution

1. Step 1: Write the proportion equation
   101,308.88 : 139,806.32 = 58,870.14 : x
2. Step 2: Convert to fraction form
   101,308.88/139,806.32 = 58,870.14/x
3. Step 3: Cross multiply
   101,308.88x = 139,806.32 × 58,870.14
4. Step 4: Simplify right side
   101,308.88x = 8,230,417,336.93
5. Step 5: Solve for x
   x = 8,230,417,336.93/101,308.88
6. Step 6: Final answer
   x = 81,240.83