Finding the Fourth Proportional to 13,435.84, 20,149.98 and 4,670.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,435.84 : 20,149.98 = 4,670.56 : x
2. Step 2: Convert to fraction form
   13,435.84/20,149.98 = 4,670.56/x
3. Step 3: Cross multiply
   13,435.84x = 20,149.98 × 4,670.56
4. Step 4: Simplify right side
   13,435.84x = 94,111,690.59
5. Step 5: Solve for x
   x = 94,111,690.59/13,435.84
6. Step 6: Final answer
   x = 7,004.53