Finding the Fourth Proportional to 101,073.72, 139,484.52 and 55,754.76

Step by Step Solution

1. Step 1: Write the proportion equation
   101,073.72 : 139,484.52 = 55,754.76 : x
2. Step 2: Convert to fraction form
   101,073.72/139,484.52 = 55,754.76/x
3. Step 3: Cross multiply
   101,073.72x = 139,484.52 × 55,754.76
4. Step 4: Simplify right side
   101,073.72x = 7,776,925,936.32
5. Step 5: Solve for x
   x = 7,776,925,936.32/101,073.72
6. Step 6: Final answer
   x = 76,943.11