Finding the Fourth Proportional to 101,014.18, 139,396.98 and 55,691.10

Step by Step Solution

1. Step 1: Write the proportion equation
   101,014.18 : 139,396.98 = 55,691.10 : x
2. Step 2: Convert to fraction form
   101,014.18/139,396.98 = 55,691.10/x
3. Step 3: Cross multiply
   101,014.18x = 139,396.98 × 55,691.10
4. Step 4: Simplify right side
   101,014.18x = 7,763,171,152.88
5. Step 5: Solve for x
   x = 7,763,171,152.88/101,014.18
6. Step 6: Final answer
   x = 76,852.29