Finding the Fourth Proportional to 146,842.72, 202,641.60 and 79,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   146,842.72 : 202,641.60 = 79,774.72 : x
2. Step 2: Convert to fraction form
   146,842.72/202,641.60 = 79,774.72/x
3. Step 3: Cross multiply
   146,842.72x = 202,641.60 × 79,774.72
4. Step 4: Simplify right side
   146,842.72x = 16,165,676,900.35
5. Step 5: Solve for x
   x = 16,165,676,900.35/146,842.72
6. Step 6: Final answer
   x = 110,088.38