Finding the Fourth Proportional to 78,583.40, 117,903.52 and 48,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,583.40 : 117,903.52 = 48,562.50 : x
2. Step 2: Convert to fraction form
   78,583.40/117,903.52 = 48,562.50/x
3. Step 3: Cross multiply
   78,583.40x = 117,903.52 × 48,562.50
4. Step 4: Simplify right side
   78,583.40x = 5,725,688,857.67
5. Step 5: Solve for x
   x = 5,725,688,857.67/78,583.40
6. Step 6: Final answer
   x = 72,861.31