Finding the Fourth Proportional to 188,388.06, 260,020.17 and 107,861.91

Step by Step Solution

1. Step 1: Write the proportion equation
   188,388.06 : 260,020.17 = 107,861.91 : x
2. Step 2: Convert to fraction form
   188,388.06/260,020.17 = 107,861.91/x
3. Step 3: Cross multiply
   188,388.06x = 260,020.17 × 107,861.91
4. Step 4: Simplify right side
   188,388.06x = 28,046,272,174.72
5. Step 5: Solve for x
   x = 28,046,272,174.72/188,388.06
6. Step 6: Final answer
   x = 148,875.00