Finding the Fourth Proportional to 52,387.08, 72,296.72 and 30,883.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,387.08 : 72,296.72 = 30,883.20 : x
2. Step 2: Convert to fraction form
   52,387.08/72,296.72 = 30,883.20/x
3. Step 3: Cross multiply
   52,387.08x = 72,296.72 × 30,883.20
4. Step 4: Simplify right side
   52,387.08x = 2,232,754,063.10
5. Step 5: Solve for x
   x = 2,232,754,063.10/52,387.08
6. Step 6: Final answer
   x = 42,620.32