Finding the Fourth Proportional to 152,379.25, 210,271.91 and 87,802.61

Step by Step Solution

1. Step 1: Write the proportion equation
   152,379.25 : 210,271.91 = 87,802.61 : x
2. Step 2: Convert to fraction form
   152,379.25/210,271.91 = 87,802.61/x
3. Step 3: Cross multiply
   152,379.25x = 210,271.91 × 87,802.61
4. Step 4: Simplify right side
   152,379.25x = 18,462,421,675.83
5. Step 5: Solve for x
   x = 18,462,421,675.83/152,379.25
6. Step 6: Final answer
   x = 121,161.00