Finding the Fourth Proportional to 52,060.69, 71,776.63 and 42,490.74

Step by Step Solution

1. Step 1: Write the proportion equation
   52,060.69 : 71,776.63 = 42,490.74 : x
2. Step 2: Convert to fraction form
   52,060.69/71,776.63 = 42,490.74/x
3. Step 3: Cross multiply
   52,060.69x = 71,776.63 × 42,490.74
4. Step 4: Simplify right side
   52,060.69x = 3,049,842,445.68
5. Step 5: Solve for x
   x = 3,049,842,445.68/52,060.69
6. Step 6: Final answer
   x = 58,582.44