Finding the Fourth Proportional to 56,066.56, 77,367.90 and 30,915.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,066.56 : 77,367.90 = 30,915.52 : x
2. Step 2: Convert to fraction form
   56,066.56/77,367.90 = 30,915.52/x
3. Step 3: Cross multiply
   56,066.56x = 77,367.90 × 30,915.52
4. Step 4: Simplify right side
   56,066.56x = 2,391,868,859.81
5. Step 5: Solve for x
   x = 2,391,868,859.81/56,066.56
6. Step 6: Final answer
   x = 42,661.24