Finding the Fourth Proportional to 93,886.15, 139,991.76 and 83,454.16

Step by Step Solution

1. Step 1: Write the proportion equation
   93,886.15 : 139,991.76 = 83,454.16 : x
2. Step 2: Convert to fraction form
   93,886.15/139,991.76 = 83,454.16/x
3. Step 3: Cross multiply
   93,886.15x = 139,991.76 × 83,454.16
4. Step 4: Simplify right side
   93,886.15x = 11,682,894,737.72
5. Step 5: Solve for x
   x = 11,682,894,737.72/93,886.15
6. Step 6: Final answer
   x = 124,436.83