Finding the Fourth Proportional to 152,968.56, 210,979.80 and 110,667.12

Step by Step Solution

1. Step 1: Write the proportion equation
   152,968.56 : 210,979.80 = 110,667.12 : x
2. Step 2: Convert to fraction form
   152,968.56/210,979.80 = 110,667.12/x
3. Step 3: Cross multiply
   152,968.56x = 210,979.80 × 110,667.12
4. Step 4: Simplify right side
   152,968.56x = 23,348,526,844.18
5. Step 5: Solve for x
   x = 23,348,526,844.18/152,968.56
6. Step 6: Final answer
   x = 152,636.12