Finding the Fourth Proportional to 42,758.42, 64,071.99 and 26,093.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,758.42 : 64,071.99 = 26,093.48 : x
2. Step 2: Convert to fraction form
   42,758.42/64,071.99 = 26,093.48/x
3. Step 3: Cross multiply
   42,758.42x = 64,071.99 × 26,093.48
4. Step 4: Simplify right side
   42,758.42x = 1,671,860,869.27
5. Step 5: Solve for x
   x = 1,671,860,869.27/42,758.42
6. Step 6: Final answer
   x = 39,100.16