Finding the Fourth Proportional to 104,620.56, 156,842.69 and 45,411.72

Step by Step Solution

1. Step 1: Write the proportion equation
   104,620.56 : 156,842.69 = 45,411.72 : x
2. Step 2: Convert to fraction form
   104,620.56/156,842.69 = 45,411.72/x
3. Step 3: Cross multiply
   104,620.56x = 156,842.69 × 45,411.72
4. Step 4: Simplify right side
   104,620.56x = 7,122,496,095.27
5. Step 5: Solve for x
   x = 7,122,496,095.27/104,620.56
6. Step 6: Final answer
   x = 68,079.32