Finding the Fourth Proportional to 152,314.88, 210,196.76 and 87,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,314.88 : 210,196.76 = 87,748.50 : x
2. Step 2: Convert to fraction form
   152,314.88/210,196.76 = 87,748.50/x
3. Step 3: Cross multiply
   152,314.88x = 210,196.76 × 87,748.50
4. Step 4: Simplify right side
   152,314.88x = 18,444,450,449.70
5. Step 5: Solve for x
   x = 18,444,450,449.70/152,314.88
6. Step 6: Final answer
   x = 121,094.21