Finding the Fourth Proportional to 52,533, 72,485.64 and 31,314.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,533 : 72,485.64 = 31,314.24 : x
2. Step 2: Convert to fraction form
   52,533/72,485.64 = 31,314.24/x
3. Step 3: Cross multiply
   52,533x = 72,485.64 × 31,314.24
4. Step 4: Simplify right side
   52,533x = 2,269,832,727.51
5. Step 5: Solve for x
   x = 2,269,832,727.51/52,533
6. Step 6: Final answer
   x = 43,207.75