Finding the Fourth Proportional to 52,784.64, 72,843.98 and 30,123.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,784.64 : 72,843.98 = 30,123.18 : x
2. Step 2: Convert to fraction form
   52,784.64/72,843.98 = 30,123.18/x
3. Step 3: Cross multiply
   52,784.64x = 72,843.98 × 30,123.18
4. Step 4: Simplify right side
   52,784.64x = 2,194,292,321.46
5. Step 5: Solve for x
   x = 2,194,292,321.46/52,784.64
6. Step 6: Final answer
   x = 41,570.66