Finding the Fourth Proportional to 101,189.55, 139,659.84 and 60,356.31

Step by Step Solution

1. Step 1: Write the proportion equation
   101,189.55 : 139,659.84 = 60,356.31 : x
2. Step 2: Convert to fraction form
   101,189.55/139,659.84 = 60,356.31/x
3. Step 3: Cross multiply
   101,189.55x = 139,659.84 × 60,356.31
4. Step 4: Simplify right side
   101,189.55x = 8,429,352,597.59
5. Step 5: Solve for x
   x = 8,429,352,597.59/101,189.55
6. Step 6: Final answer
   x = 83,302.60