Finding the Fourth Proportional to 101,214.08, 139,674.72 and 55,894.88

Step by Step Solution

1. Step 1: Write the proportion equation
   101,214.08 : 139,674.72 = 55,894.88 : x
2. Step 2: Convert to fraction form
   101,214.08/139,674.72 = 55,894.88/x
3. Step 3: Cross multiply
   101,214.08x = 139,674.72 × 55,894.88
4. Step 4: Simplify right side
   101,214.08x = 7,807,101,713.43
5. Step 5: Solve for x
   x = 7,807,101,713.43/101,214.08
6. Step 6: Final answer
   x = 77,134.54