Finding the Fourth Proportional to 61,152.55, 91,903.78 and 30,009.67

Step by Step Solution

1. Step 1: Write the proportion equation
   61,152.55 : 91,903.78 = 30,009.67 : x
2. Step 2: Convert to fraction form
   61,152.55/91,903.78 = 30,009.67/x
3. Step 3: Cross multiply
   61,152.55x = 91,903.78 × 30,009.67
4. Step 4: Simplify right side
   61,152.55x = 2,758,002,109.55
5. Step 5: Solve for x
   x = 2,758,002,109.55/61,152.55
6. Step 6: Final answer
   x = 45,100.36