Finding the Fourth Proportional to 83,826.84, 125,571.58 and 38,784.77

Step by Step Solution

1. Step 1: Write the proportion equation
   83,826.84 : 125,571.58 = 38,784.77 : x
2. Step 2: Convert to fraction form
   83,826.84/125,571.58 = 38,784.77/x
3. Step 3: Cross multiply
   83,826.84x = 125,571.58 × 38,784.77
4. Step 4: Simplify right side
   83,826.84x = 4,870,264,124.02
5. Step 5: Solve for x
   x = 4,870,264,124.02/83,826.84
6. Step 6: Final answer
   x = 58,099.10