Finding the Fourth Proportional to 67,617.64, 93,312.98 and 37,402.21

Step by Step Solution

1. Step 1: Write the proportion equation
   67,617.64 : 93,312.98 = 37,402.21 : x
2. Step 2: Convert to fraction form
   67,617.64/93,312.98 = 37,402.21/x
3. Step 3: Cross multiply
   67,617.64x = 93,312.98 × 37,402.21
4. Step 4: Simplify right side
   67,617.64x = 3,490,111,673.69
5. Step 5: Solve for x
   x = 3,490,111,673.69/67,617.64
6. Step 6: Final answer
   x = 51,615.40