Finding the Fourth Proportional to 68,128.96, 94,019.76 and 37,916.32

Step by Step Solution

1. Step 1: Write the proportion equation
   68,128.96 : 94,019.76 = 37,916.32 : x
2. Step 2: Convert to fraction form
   68,128.96/94,019.76 = 37,916.32/x
3. Step 3: Cross multiply
   68,128.96x = 94,019.76 × 37,916.32
4. Step 4: Simplify right side
   68,128.96x = 3,564,883,306.48
5. Step 5: Solve for x
   x = 3,564,883,306.48/68,128.96
6. Step 6: Final answer
   x = 52,325.52