Finding the Fourth Proportional to 83,429.83, 115,141.40 and 47,625.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,429.83 : 115,141.40 = 47,625.20 : x
2. Step 2: Convert to fraction form
   83,429.83/115,141.40 = 47,625.20/x
3. Step 3: Cross multiply
   83,429.83x = 115,141.40 × 47,625.20
4. Step 4: Simplify right side
   83,429.83x = 5,483,631,999.82
5. Step 5: Solve for x
   x = 5,483,631,999.82/83,429.83
6. Step 6: Final answer
   x = 65,727.47