Finding the Fourth Proportional to 104,429.16, 156,433.06 and 48,191.15

Step by Step Solution

1. Step 1: Write the proportion equation
   104,429.16 : 156,433.06 = 48,191.15 : x
2. Step 2: Convert to fraction form
   104,429.16/156,433.06 = 48,191.15/x
3. Step 3: Cross multiply
   104,429.16x = 156,433.06 × 48,191.15
4. Step 4: Simplify right side
   104,429.16x = 7,538,688,036.30
5. Step 5: Solve for x
   x = 7,538,688,036.30/104,429.16
6. Step 6: Final answer
   x = 72,189.49