Finding the Fourth Proportional to 131,962, 182,109.72 and 72,346

Step by Step Solution

1. Step 1: Write the proportion equation
   131,962 : 182,109.72 = 72,346 : x
2. Step 2: Convert to fraction form
   131,962/182,109.72 = 72,346/x
3. Step 3: Cross multiply
   131,962x = 182,109.72 × 72,346
4. Step 4: Simplify right side
   131,962x = 13,174,909,803.12
5. Step 5: Solve for x
   x = 13,174,909,803.12/131,962
6. Step 6: Final answer
   x = 99,838.66