Finding the Fourth Proportional to 124,131.09, 186,050.83 and 57,430.32

Step by Step Solution

1. Step 1: Write the proportion equation
   124,131.09 : 186,050.83 = 57,430.32 : x
2. Step 2: Convert to fraction form
   124,131.09/186,050.83 = 57,430.32/x
3. Step 3: Cross multiply
   124,131.09x = 186,050.83 × 57,430.32
4. Step 4: Simplify right side
   124,131.09x = 10,684,958,703.17
5. Step 5: Solve for x
   x = 10,684,958,703.17/124,131.09
6. Step 6: Final answer
   x = 86,078.02