Finding the Fourth Proportional to 101,153, 139,595.52 and 56,441

Step by Step Solution

1. Step 1: Write the proportion equation
   101,153 : 139,595.52 = 56,441 : x
2. Step 2: Convert to fraction form
   101,153/139,595.52 = 56,441/x
3. Step 3: Cross multiply
   101,153x = 139,595.52 × 56,441
4. Step 4: Simplify right side
   101,153x = 7,878,910,744.32
5. Step 5: Solve for x
   x = 7,878,910,744.32/101,153
6. Step 6: Final answer
   x = 77,891.02