Finding the Fourth Proportional to 145,492.61, 200,722.82 and 107,343.72

Step by Step Solution

1. Step 1: Write the proportion equation
   145,492.61 : 200,722.82 = 107,343.72 : x
2. Step 2: Convert to fraction form
   145,492.61/200,722.82 = 107,343.72/x
3. Step 3: Cross multiply
   145,492.61x = 200,722.82 × 107,343.72
4. Step 4: Simplify right side
   145,492.61x = 21,546,333,650.97
5. Step 5: Solve for x
   x = 21,546,333,650.97/145,492.61
6. Step 6: Final answer
   x = 148,092.29