Finding the Fourth Proportional to 90,300.79, 135,428.10 and 37,030.33

Step by Step Solution

1. Step 1: Write the proportion equation
   90,300.79 : 135,428.10 = 37,030.33 : x
2. Step 2: Convert to fraction form
   90,300.79/135,428.10 = 37,030.33/x
3. Step 3: Cross multiply
   90,300.79x = 135,428.10 × 37,030.33
4. Step 4: Simplify right side
   90,300.79x = 5,014,947,234.27
5. Step 5: Solve for x
   x = 5,014,947,234.27/90,300.79
6. Step 6: Final answer
   x = 55,536.03