Finding the Fourth Proportional to 186,601, 279,900.42 and 68,280.52

Step by Step Solution

1. Step 1: Write the proportion equation
   186,601 : 279,900.42 = 68,280.52 : x
2. Step 2: Convert to fraction form
   186,601/279,900.42 = 68,280.52/x
3. Step 3: Cross multiply
   186,601x = 279,900.42 × 68,280.52
4. Step 4: Simplify right side
   186,601x = 19,111,746,225.82
5. Step 5: Solve for x
   x = 19,111,746,225.82/186,601
6. Step 6: Final answer
   x = 102,420.38