Finding the Fourth Proportional to 56,184.72, 77,492.88 and 39,189.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,184.72 : 77,492.88 = 39,189.84 : x
2. Step 2: Convert to fraction form
   56,184.72/77,492.88 = 39,189.84/x
3. Step 3: Cross multiply
   56,184.72x = 77,492.88 × 39,189.84
4. Step 4: Simplify right side
   56,184.72x = 3,036,933,568.34
5. Step 5: Solve for x
   x = 3,036,933,568.34/56,184.72
6. Step 6: Final answer
   x = 54,052.66