Finding the Fourth Proportional to 191,017.83, 286,510.18 and 64,655.27

Step by Step Solution

1. Step 1: Write the proportion equation
   191,017.83 : 286,510.18 = 64,655.27 : x
2. Step 2: Convert to fraction form
   191,017.83/286,510.18 = 64,655.27/x
3. Step 3: Cross multiply
   191,017.83x = 286,510.18 × 64,655.27
4. Step 4: Simplify right side
   191,017.83x = 18,524,393,045.65
5. Step 5: Solve for x
   x = 18,524,393,045.65/191,017.83
6. Step 6: Final answer
   x = 96,977.30