Finding the Fourth Proportional to 56,099.68, 77,412.18 and 30,947.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56,099.68 : 77,412.18 = 30,947.56 : x
2. Step 2: Convert to fraction form
   56,099.68/77,412.18 = 30,947.56/x
3. Step 3: Cross multiply
   56,099.68x = 77,412.18 × 30,947.56
4. Step 4: Simplify right side
   56,099.68x = 2,395,718,085.28
5. Step 5: Solve for x
   x = 2,395,718,085.28/56,099.68
6. Step 6: Final answer
   x = 42,704.67