Finding the Fourth Proportional to 152,600.96, 210,591.81 and 84,620.81

Step by Step Solution

1. Step 1: Write the proportion equation
   152,600.96 : 210,591.81 = 84,620.81 : x
2. Step 2: Convert to fraction form
   152,600.96/210,591.81 = 84,620.81/x
3. Step 3: Cross multiply
   152,600.96x = 210,591.81 × 84,620.81
4. Step 4: Simplify right side
   152,600.96x = 17,820,448,488.61
5. Step 5: Solve for x
   x = 17,820,448,488.61/152,600.96
6. Step 6: Final answer
   x = 116,778.09