Finding the Fourth Proportional to 186,460.64, 279,468.84 and 107,411.12

Step by Step Solution

1. Step 1: Write the proportion equation
   186,460.64 : 279,468.84 = 107,411.12 : x
2. Step 2: Convert to fraction form
   186,460.64/279,468.84 = 107,411.12/x
3. Step 3: Cross multiply
   186,460.64x = 279,468.84 × 107,411.12
4. Step 4: Simplify right side
   186,460.64x = 30,018,061,109.50
5. Step 5: Solve for x
   x = 30,018,061,109.50/186,460.64
6. Step 6: Final answer
   x = 160,988.73