Finding the Fourth Proportional to 83,172.06, 114,789.15 and 52,947.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,172.06 : 114,789.15 = 52,947.72 : x
2. Step 2: Convert to fraction form
   83,172.06/114,789.15 = 52,947.72/x
3. Step 3: Cross multiply
   83,172.06x = 114,789.15 × 52,947.72
4. Step 4: Simplify right side
   83,172.06x = 6,077,823,773.24
5. Step 5: Solve for x
   x = 6,077,823,773.24/83,172.06
6. Step 6: Final answer
   x = 73,075.31