Finding the Fourth Proportional to 101,039.40, 139,410.72 and 60,746.76

Step by Step Solution

1. Step 1: Write the proportion equation
   101,039.40 : 139,410.72 = 60,746.76 : x
2. Step 2: Convert to fraction form
   101,039.40/139,410.72 = 60,746.76/x
3. Step 3: Cross multiply
   101,039.40x = 139,410.72 × 60,746.76
4. Step 4: Simplify right side
   101,039.40x = 8,468,749,549.27
5. Step 5: Solve for x
   x = 8,468,749,549.27/101,039.40
6. Step 6: Final answer
   x = 83,816.31