Finding the Fourth Proportional to 152,279.67, 210,241.55 and 97,856.18

Step by Step Solution

1. Step 1: Write the proportion equation
   152,279.67 : 210,241.55 = 97,856.18 : x
2. Step 2: Convert to fraction form
   152,279.67/210,241.55 = 97,856.18/x
3. Step 3: Cross multiply
   152,279.67x = 210,241.55 × 97,856.18
4. Step 4: Simplify right side
   152,279.67x = 20,573,434,075.59
5. Step 5: Solve for x
   x = 20,573,434,075.59/152,279.67
6. Step 6: Final answer
   x = 135,102.96