Finding the Fourth Proportional to 150,025.42, 207,056.82 and 86,362.66

Step by Step Solution

1. Step 1: Write the proportion equation
   150,025.42 : 207,056.82 = 86,362.66 : x
2. Step 2: Convert to fraction form
   150,025.42/207,056.82 = 86,362.66/x
3. Step 3: Cross multiply
   150,025.42x = 207,056.82 × 86,362.66
4. Step 4: Simplify right side
   150,025.42x = 17,881,977,746.34
5. Step 5: Solve for x
   x = 17,881,977,746.34/150,025.42
6. Step 6: Final answer
   x = 119,192.99