Finding the Fourth Proportional to 102,362.94, 141,291.27 and 64,662.30

Step by Step Solution

1. Step 1: Write the proportion equation
   102,362.94 : 141,291.27 = 64,662.30 : x
2. Step 2: Convert to fraction form
   102,362.94/141,291.27 = 64,662.30/x
3. Step 3: Cross multiply
   102,362.94x = 141,291.27 × 64,662.30
4. Step 4: Simplify right side
   102,362.94x = 9,136,218,488.12
5. Step 5: Solve for x
   x = 9,136,218,488.12/102,362.94
6. Step 6: Final answer
   x = 89,253.19