Finding the Fourth Proportional to 101,007, 139,393.98 and 56,295

Step by Step Solution

1. Step 1: Write the proportion equation
   101,007 : 139,393.98 = 56,295 : x
2. Step 2: Convert to fraction form
   101,007/139,393.98 = 56,295/x
3. Step 3: Cross multiply
   101,007x = 139,393.98 × 56,295
4. Step 4: Simplify right side
   101,007x = 7,847,184,104.10
5. Step 5: Solve for x
   x = 7,847,184,104.10/101,007
6. Step 6: Final answer
   x = 77,689.51