Finding the Fourth Proportional to 101,417.64, 139,953.71 and 56,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,417.64 : 139,953.71 = 56,094.50 : x
2. Step 2: Convert to fraction form
   101,417.64/139,953.71 = 56,094.50/x
3. Step 3: Cross multiply
   101,417.64x = 139,953.71 × 56,094.50
4. Step 4: Simplify right side
   101,417.64x = 7,850,632,405.35
5. Step 5: Solve for x
   x = 7,850,632,405.35/101,417.64
6. Step 6: Final answer
   x = 77,408.94