Finding the Fourth Proportional to 101,371.16, 139,886.52 and 56,046.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,371.16 : 139,886.52 = 56,046.50 : x
2. Step 2: Convert to fraction form
   101,371.16/139,886.52 = 56,046.50/x
3. Step 3: Cross multiply
   101,371.16x = 139,886.52 × 56,046.50
4. Step 4: Simplify right side
   101,371.16x = 7,840,149,843.18
5. Step 5: Solve for x
   x = 7,840,149,843.18/101,371.16
6. Step 6: Final answer
   x = 77,341.03