Finding the Fourth Proportional to 10,261.28, 14,156.57 and 5,784.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,261.28 : 14,156.57 = 5,784.01 : x
2. Step 2: Convert to fraction form
   10,261.28/14,156.57 = 5,784.01/x
3. Step 3: Cross multiply
   10,261.28x = 14,156.57 × 5,784.01
4. Step 4: Simplify right side
   10,261.28x = 81,881,721.51
5. Step 5: Solve for x
   x = 81,881,721.51/10,261.28
6. Step 6: Final answer
   x = 7,979.68