Finding the Fourth Proportional to 93,099.42, 139,655.61 and 30,813.66

Step by Step Solution

1. Step 1: Write the proportion equation
   93,099.42 : 139,655.61 = 30,813.66 : x
2. Step 2: Convert to fraction form
   93,099.42/139,655.61 = 30,813.66/x
3. Step 3: Cross multiply
   93,099.42x = 139,655.61 × 30,813.66
4. Step 4: Simplify right side
   93,099.42x = 4,303,300,483.63
5. Step 5: Solve for x
   x = 4,303,300,483.63/93,099.42
6. Step 6: Final answer
   x = 46,222.63