Finding the Fourth Proportional to 42,102.57, 58,111.29 and 27,764.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,102.57 : 58,111.29 = 27,764.98 : x
2. Step 2: Convert to fraction form
   42,102.57/58,111.29 = 27,764.98/x
3. Step 3: Cross multiply
   42,102.57x = 58,111.29 × 27,764.98
4. Step 4: Simplify right side
   42,102.57x = 1,613,458,514.07
5. Step 5: Solve for x
   x = 1,613,458,514.07/42,102.57
6. Step 6: Final answer
   x = 38,322.09