Finding the Fourth Proportional to 67,689, 93,411.54 and 37,474.80

Step by Step Solution

1. Step 1: Write the proportion equation
   67,689 : 93,411.54 = 37,474.80 : x
2. Step 2: Convert to fraction form
   67,689/93,411.54 = 37,474.80/x
3. Step 3: Cross multiply
   67,689x = 93,411.54 × 37,474.80
4. Step 4: Simplify right side
   67,689x = 3,500,578,779.19
5. Step 5: Solve for x
   x = 3,500,578,779.19/67,689
6. Step 6: Final answer
   x = 51,715.62