Finding the Fourth Proportional to 96,870.69, 145,372.16 and 33,690.18

Step by Step Solution

1. Step 1: Write the proportion equation
   96,870.69 : 145,372.16 = 33,690.18 : x
2. Step 2: Convert to fraction form
   96,870.69/145,372.16 = 33,690.18/x
3. Step 3: Cross multiply
   96,870.69x = 145,372.16 × 33,690.18
4. Step 4: Simplify right side
   96,870.69x = 4,897,614,068.94
5. Step 5: Solve for x
   x = 4,897,614,068.94/96,870.69
6. Step 6: Final answer
   x = 50,558.27