Finding the Fourth Proportional to 90,867.02, 136,316.82 and 30,901.10

Step by Step Solution

1. Step 1: Write the proportion equation
   90,867.02 : 136,316.82 = 30,901.10 : x
2. Step 2: Convert to fraction form
   90,867.02/136,316.82 = 30,901.10/x
3. Step 3: Cross multiply
   90,867.02x = 136,316.82 × 30,901.10
4. Step 4: Simplify right side
   90,867.02x = 4,212,339,686.50
5. Step 5: Solve for x
   x = 4,212,339,686.50/90,867.02
6. Step 6: Final answer
   x = 46,357.19