Finding the Fourth Proportional to 43,106.89, 64,667.62 and 19,735.15

Step by Step Solution

1. Step 1: Write the proportion equation
   43,106.89 : 64,667.62 = 19,735.15 : x
2. Step 2: Convert to fraction form
   43,106.89/64,667.62 = 19,735.15/x
3. Step 3: Cross multiply
   43,106.89x = 64,667.62 × 19,735.15
4. Step 4: Simplify right side
   43,106.89x = 1,276,224,808.17
5. Step 5: Solve for x
   x = 1,276,224,808.17/43,106.89
6. Step 6: Final answer
   x = 29,606.05