Finding the Fourth Proportional to 113,108.96, 156,051.30 and 72,296.96

Step by Step Solution

1. Step 1: Write the proportion equation
   113,108.96 : 156,051.30 = 72,296.96 : x
2. Step 2: Convert to fraction form
   113,108.96/156,051.30 = 72,296.96/x
3. Step 3: Cross multiply
   113,108.96x = 156,051.30 × 72,296.96
4. Step 4: Simplify right side
   113,108.96x = 11,282,034,962.69
5. Step 5: Solve for x
   x = 11,282,034,962.69/113,108.96
6. Step 6: Final answer
   x = 99,744.84