Finding the Fourth Proportional to 67,830.63, 93,606.26 and 37,620.57

Step by Step Solution

1. Step 1: Write the proportion equation
   67,830.63 : 93,606.26 = 37,620.57 : x
2. Step 2: Convert to fraction form
   67,830.63/93,606.26 = 37,620.57/x
3. Step 3: Cross multiply
   67,830.63x = 93,606.26 × 37,620.57
4. Step 4: Simplify right side
   67,830.63x = 3,521,520,856.77
5. Step 5: Solve for x
   x = 3,521,520,856.77/67,830.63
6. Step 6: Final answer
   x = 51,916.38