Finding the Fourth Proportional to 56,010.01, 77,291.59 and 30,516.58

Step by Step Solution

1. Step 1: Write the proportion equation
   56,010.01 : 77,291.59 = 30,516.58 : x
2. Step 2: Convert to fraction form
   56,010.01/77,291.59 = 30,516.58/x
3. Step 3: Cross multiply
   56,010.01x = 77,291.59 × 30,516.58
4. Step 4: Simplify right side
   56,010.01x = 2,358,674,989.56
5. Step 5: Solve for x
   x = 2,358,674,989.56/56,010.01
6. Step 6: Final answer
   x = 42,111.67