Finding the Fourth Proportional to 52,813.88, 72,883.15 and 30,457.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,813.88 : 72,883.15 = 30,457.88 : x
2. Step 2: Convert to fraction form
   52,813.88/72,883.15 = 30,457.88/x
3. Step 3: Cross multiply
   52,813.88x = 72,883.15 × 30,457.88
4. Step 4: Simplify right side
   52,813.88x = 2,219,865,796.16
5. Step 5: Solve for x
   x = 2,219,865,796.16/52,813.88
6. Step 6: Final answer
   x = 42,031.87