Finding the Fourth Proportional to 101,844, 140,544.72 and 57,132

Step by Step Solution

1. Step 1: Write the proportion equation
   101,844 : 140,544.72 = 57,132 : x
2. Step 2: Convert to fraction form
   101,844/140,544.72 = 57,132/x
3. Step 3: Cross multiply
   101,844x = 140,544.72 × 57,132
4. Step 4: Simplify right side
   101,844x = 8,029,600,943.04
5. Step 5: Solve for x
   x = 8,029,600,943.04/101,844
6. Step 6: Final answer
   x = 78,842.16