Finding the Fourth Proportional to 42,926.82, 64,389 and 11,762.07

Step by Step Solution

1. Step 1: Write the proportion equation
   42,926.82 : 64,389 = 11,762.07 : x
2. Step 2: Convert to fraction form
   42,926.82/64,389 = 11,762.07/x
3. Step 3: Cross multiply
   42,926.82x = 64,389 × 11,762.07
4. Step 4: Simplify right side
   42,926.82x = 757,347,925.23
5. Step 5: Solve for x
   x = 757,347,925.23/42,926.82
6. Step 6: Final answer
   x = 17,642.77