Finding the Fourth Proportional to 99,430.56, 149,169.20 and 32,870.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,430.56 : 149,169.20 = 32,870.69 : x
2. Step 2: Convert to fraction form
   99,430.56/149,169.20 = 32,870.69/x
3. Step 3: Cross multiply
   99,430.56x = 149,169.20 × 32,870.69
4. Step 4: Simplify right side
   99,430.56x = 4,903,293,760.39
5. Step 5: Solve for x
   x = 4,903,293,760.39/99,430.56
6. Step 6: Final answer
   x = 49,313.75