Finding the Fourth Proportional to 52,770.51, 72,816.64 and 42,042.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,770.51 : 72,816.64 = 42,042.59 : x
2. Step 2: Convert to fraction form
   52,770.51/72,816.64 = 42,042.59/x
3. Step 3: Cross multiply
   52,770.51x = 72,816.64 × 42,042.59
4. Step 4: Simplify right side
   52,770.51x = 3,061,400,354.16
5. Step 5: Solve for x
   x = 3,061,400,354.16/52,770.51
6. Step 6: Final answer
   x = 58,013.47