Finding the Fourth Proportional to 152,586.91, 210,591.72 and 84,619.00

Step by Step Solution

1. Step 1: Write the proportion equation
   152,586.91 : 210,591.72 = 84,619.00 : x
2. Step 2: Convert to fraction form
   152,586.91/210,591.72 = 84,619.00/x
3. Step 3: Cross multiply
   152,586.91x = 210,591.72 × 84,619.00
4. Step 4: Simplify right side
   152,586.91x = 17,820,060,071.33
5. Step 5: Solve for x
   x = 17,820,060,071.33/152,586.91
6. Step 6: Final answer
   x = 116,786.30