Finding the Fourth Proportional to 90,019.94, 135,037.70 and 23,460.10

Step by Step Solution

1. Step 1: Write the proportion equation
   90,019.94 : 135,037.70 = 23,460.10 : x
2. Step 2: Convert to fraction form
   90,019.94/135,037.70 = 23,460.10/x
3. Step 3: Cross multiply
   90,019.94x = 135,037.70 × 23,460.10
4. Step 4: Simplify right side
   90,019.94x = 3,167,997,945.77
5. Step 5: Solve for x
   x = 3,167,997,945.77/90,019.94
6. Step 6: Final answer
   x = 35,192.18