Finding the Fourth Proportional to 56,007.59, 77,290.24 and 30,513.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,007.59 : 77,290.24 = 30,513.88 : x
2. Step 2: Convert to fraction form
   56,007.59/77,290.24 = 30,513.88/x
3. Step 3: Cross multiply
   56,007.59x = 77,290.24 × 30,513.88
4. Step 4: Simplify right side
   56,007.59x = 2,358,424,569.51
5. Step 5: Solve for x
   x = 2,358,424,569.51/56,007.59
6. Step 6: Final answer
   x = 42,109.02